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	<title>Archives des DATA SCIENCE | DataUsage Consulting | Consultant Data Reims &amp; IDF | BI &amp; Pilotage</title>
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	<title>Archives des DATA SCIENCE | DataUsage Consulting | Consultant Data Reims &amp; IDF | BI &amp; Pilotage</title>
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		<title>Solution IA pour transformer les données médicales en outil d&#8217;aide à la décision</title>
		<link>https://datausage-consulting.fr/outils_aide_decision/</link>
		
		<dc:creator><![CDATA[MKonaté]]></dc:creator>
		<pubDate>Fri, 17 Jul 2026 08:02:41 +0000</pubDate>
				<category><![CDATA[DATA SCIENCE]]></category>
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					<description><![CDATA[<p>Cas client : concevoir des outils décisionnels et des KPI pour optimiser vos choix stratégiques.</p>
<p>L’article <a href="https://datausage-consulting.fr/outils_aide_decision/">Solution IA pour transformer les données médicales en outil d&rsquo;aide à la décision</a> est apparu en premier sur <a href="https://datausage-consulting.fr">DataUsage Consulting | Consultant Data Reims &amp; IDF | BI &amp; Pilotage</a>.</p>
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		<strong>Data Science</strong>	</p>


	<h1 data-spectra-id="spectra-mev7gn3n-sxalwh" style="--spectra-text-color: ast-global-color-2" class="has-text-color has-link-color spectra-text-color wp-elements-b02bd7324e83850f714688545a87f2e2 wp-block-spectra-content has-ast-global-color-2-color">
		Intelligence artificielle au service de la santé publique	</h1>


	<p data-spectra-id="spectra-mev7gn3o-j0r1ia" style="--spectra-text-color: ast-global-color-3" class="has-text-color has-link-color spectra-text-color wp-elements-cb96eb958cef15c8192ef29899105876 wp-block-spectra-content has-ast-global-color-3-color">
		<br><br><br>Une solution IA pour transformer les données médicales en outil d’aide à la décision<br>afin de contribuer à <strong>améliorer la prise de décision médicale</strong>, <strong>prioriser les patients à risque</strong> et <strong>optimiser l&rsquo;allocation des ressources de santé</strong>.	</p>

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<p class="has-text-align-center has-ast-global-color-1-color has-text-color has-link-color wp-elements-e5cb69862bddc8c6a590394412b472d3 wp-block-paragraph"><strong>Projet Data Science en Santé publique</strong>  <strong>&gt;</strong>  <strong>Machine Learning</strong>  <strong>&gt;</strong>  <strong>Aide au diagnostic</strong></p>

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<h2 class="wp-block-heading has-ast-global-color-2-color has-text-color has-link-color has-large-font-size wp-elements-8ca4849431c8045f283f04b26a77fd52 wp-container-content-69bc4bdf">Executive Summary</h2>

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<p class="has-text-align-center has-ast-global-color-4-background-color has-background has-medium-font-size wp-block-paragraph"><strong>Objectif</strong><br>Détecter les patients à risque</p>

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<p class="has-text-align-center has-ast-global-color-4-background-color has-background has-medium-font-size wp-block-paragraph"><strong>Solution</strong><br>Modèle de Machine Learning</p>

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<p class="has-text-align-center has-ast-global-color-4-background-color has-background has-medium-font-size wp-block-paragraph"><strong>Résultat</strong><br>Régression logistique la plus performante</p>

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<p class="has-text-align-center has-ast-global-color-4-background-color has-background has-medium-font-size wp-block-paragraph"><strong>Impact</strong><br>Aide à la décision médicale</p>

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<div data-spectra-id="spectra-38d8a400-0fce-40e2-b953-9b4491510c76"	style="overflow: visible;--spectra-background-color: var(--ast-global-color-5)" class="spectra-is-root-container alignfull spectra-overlay-color spectra-overflow spectra-background-color wp-block-spectra-container" data-orientation="vertical"	>
	

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<h2 class="wp-block-heading has-ast-global-color-2-color has-text-color has-link-color has-large-font-size wp-elements-2e42faf0b3430fbd413fbcf480055aed wp-container-content-69bc4bdf">1. Les défis actuels</h2>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-58073225912b14d03d7a5e9f318007a2 wp-block-paragraph"><strong>Patient → Analyse clinique→ Diagnostic→ Décision médicale</strong></p>



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<figure class="wp-block-table is-style-stripes"><table class="has-fixed-layout"><thead><tr><th><strong>Défi</strong></th><th class="has-text-align-right" data-align="right"><strong>Impact</strong></th></tr></thead><tbody><tr><td>Diagnostic parfois tardif</td><td class="has-text-align-right" data-align="right">Risque de complications</td></tr><tr><td>Ressources médicales limitées</td><td class="has-text-align-right" data-align="right">Priorisation difficile</td></tr><tr><td>Volume important de patients</td><td class="has-text-align-right" data-align="right">Temps d&rsquo;analyse élevé</td></tr><tr><td>Décisions basées sur de nombreuses variables</td><td class="has-text-align-right" data-align="right">Risques d&rsquo;erreurs humaines</td></tr></tbody></table></figure>

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<h2 class="wp-block-heading has-ast-global-color-2-color has-text-color has-link-color has-large-font-size wp-elements-4e3e8ffa9032e24807a909239d15e801 wp-container-content-69bc4bdf">2. Ma solution</h2>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-5459f171bd60aa3042b0cc97f1a7fb81 wp-block-paragraph"><strong>Patient→ Modèle IA→ Probabilité de risque→ Aide au diagnostic</strong></p>



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<h3 class="wp-block-heading">Ma démarche : </h3>



<p class="has-text-align-center wp-block-paragraph">Collecte des données<br>↓<br>Analyse exploratoire<br>↓<br>Préparation des données<br>↓<br>Machine Learning<br>↓<br>Évaluation des modèles<br>↓<br>Aide à la décision</p>

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<h3 class="wp-block-heading">Architecture du projet :</h3>



<p class="has-text-align-center wp-block-paragraph">Données source<br>↓<br>Analyse exploratoire (Pandas, NumPy, seaborn, matplotlib,)<br>↓<br>Traitement (Nettoyage des données, valeurs manquantes)<br>↓<br>Preprocessing (StandardScaler, OneHotEncoder, SMOTE)<br>↓<br>Modèles de Machine Learning implémentés (XGBoost, Logistic Regression)<br>↓<br>Aide au diagnostic</p>

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<h3 class="wp-block-heading">Impact :</h3>



<p class="wp-block-paragraph"><strong>Avantage </strong>: plus rapide<br><strong>Résultat </strong>: plus objectif</p>

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<h2 class="wp-block-heading has-ast-global-color-2-color has-text-color has-link-color has-large-font-size wp-elements-1b3142f2bb18542911ddcc1ac42416de wp-container-content-69bc4bdf">3. Les insight clés</h2>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-4484bbeeb8b09ddeed645ebfb30d894b wp-block-paragraph"><strong>Risk Score : principal facteur prédictif de l&rsquo;infection</strong></p>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-0503316c7685f2813d37ee61444d2e1b wp-block-paragraph"><strong>Profil des patients : </strong></p>


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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-915e1f6ab85d800df61835ee47bdca9d wp-block-paragraph">Les patients atteints sont globalement plus jeunes</p>



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<figure data-spectra-id="spectra-mrq9bqqn-x72ld2" class="wp-block-image size-full"><img decoding="async" width="643" height="550" src="https://datausage-consulting-rwmkesjowu.live-website.com/wp-content/uploads/2026/07/Risk-score-infection_patient-jeunes_DataUsage-Consulting_Portfolio.png" alt="Risk score infection_patient jeunes_DataUsage Consulting_Portfolio" class="wp-image-4868" srcset="https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_patient-jeunes_DataUsage-Consulting_Portfolio.png 643w, https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_patient-jeunes_DataUsage-Consulting_Portfolio-300x257.png 300w" sizes="(max-width: 643px) 100vw, 643px" /></figure>

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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-539a3119d44b39416fb5cf8e3177ae22 wp-block-paragraph">Il y a davantage d’hommes infectés que de femmes</p>



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<figure data-spectra-id="spectra-mrq9bzo0-hi0h0s" class="wp-block-image size-full"><img decoding="async" width="648" height="442" src="https://datausage-consulting-rwmkesjowu.live-website.com/wp-content/uploads/2026/07/Risk-score-infection_hommes_vs_femmes_DataUsage-Consulting_Portfolio.png" alt="Risk score infection_hommes_vs_femmes_DataUsage Consulting_Portfolio" class="wp-image-4865" srcset="https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_hommes_vs_femmes_DataUsage-Consulting_Portfolio.png 648w, https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_hommes_vs_femmes_DataUsage-Consulting_Portfolio-300x205.png 300w" sizes="(max-width: 648px) 100vw, 648px" /></figure>

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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-15407f5bba602bd22dd52a21b98c1999 wp-block-paragraph"><strong>Symptômes dominants</strong> : Fièvre, vomissements, vertiges et maux de tête sont les plus représentés</p>



<figure data-spectra-id="spectra-mrq9evb7-6yy67m" class="wp-block-image alignwide size-large"><img loading="lazy" decoding="async" width="1024" height="439" src="https://datausage-consulting-rwmkesjowu.live-website.com/wp-content/uploads/2026/07/Risk-score-infection_symptomes_DataUsage-Consulting_Portfolio-1024x439.png" alt="Risk score infection_symptomes_DataUsage Consulting_Portfolio" class="wp-image-4866" srcset="https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_symptomes_DataUsage-Consulting_Portfolio-1024x439.png 1024w, https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_symptomes_DataUsage-Consulting_Portfolio-300x129.png 300w, https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_symptomes_DataUsage-Consulting_Portfolio-768x330.png 768w, https://datausage-consulting.fr/wp-content/uploads/2026/07/Risk-score-infection_symptomes_DataUsage-Consulting_Portfolio.png 1226w" sizes="auto, (max-width: 1024px) 100vw, 1024px" /></figure>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-aa4eebf89924278fcebc90cba7cea3ec wp-block-paragraph"><strong>Répartition géographiques</strong> : Certaines régions concentrent davantage de cas</p>



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<h2 class="wp-block-heading has-ast-global-color-2-color has-text-color has-link-color has-large-font-size wp-elements-3ad749a6ed2eb3692820e7c9a72ec647 wp-container-content-69bc4bdf">4. Résultats des prédictions</h2>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-c3bdf2ae54e7b1782d96f36b2142f09f wp-block-paragraph"><strong>Classification Report :</strong></p>



<figure style="padding-top:0;padding-bottom:0" class="wp-block-table"><table><thead><tr><th>Critères</th><th>Logistic Regression</th><th>XGBoost</th><th>Explication</th></tr></thead><tbody><tr><td>Accuracy</td><td>87 %</td><td>86 %</td><td>Pourcentage total de bonnes prédictions</td></tr><tr><td>F1-score global</td><td>88 %</td><td>86 %</td><td>Équilibre entre précision et rappel</td></tr><tr><td>Recall classe positive</td><td>87 %</td><td>87 %</td><td>Capacité à détecter les vrais malades</td></tr><tr><td>Précision classe positive</td><td>94 %</td><td>91 %</td><td>Qualité des prédictions des malades</td></tr></tbody></table></figure>



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<p class="has-ast-global-color-1-color has-text-color has-link-color has-medium-font-size wp-elements-4b466785aeb419167bb3c6da5ee8e9e6 wp-block-paragraph"><strong>Matrice de confusion :</strong></p>



<figure style="padding-top:0;padding-bottom:0" class="wp-block-table"><table><thead><tr><th>Critères</th><th>Logistic Regression</th><th>XGBoost</th></tr></thead><tbody><tr><td>Accuracy score on train set</td><td>87 %</td><td>88,2 %</td></tr><tr><td>Accuracy score on test set</td><td>87,4 %</td><td>85, 7 %</td></tr></tbody></table></figure>



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<p class="has-ast-global-color-4-color has-ast-global-color-1-background-color has-text-color has-background has-link-color wp-elements-13ccb61f1050f2abb7b11f7f2fc4f5ab wp-block-paragraph" style="border-top-left-radius:10px;border-top-right-radius:10px;border-bottom-left-radius:10px;border-bottom-right-radius:10px;font-size:25px"><strong>Modèle retenu&nbsp;présentant de meilleures performances : <strong>Logistic Regression</strong></strong></p>



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<h2 class="wp-block-heading has-ast-global-color-2-color has-text-color has-link-color has-large-font-size wp-elements-9eede4f056185e08575601516a1aa724 wp-container-content-69bc4bdf">5. Perspective d&rsquo;intégration</h2>



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<p class="wp-block-paragraph">Les prédictions du modèle peuvent être exploitées au sein d&rsquo;un tableau de bord décisionnel afin de prioriser les patients, suivre les indicateurs épidémiologiques et soutenir les décisions des professionnels de santé.</p>



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<p>L’article <a href="https://datausage-consulting.fr/outils_aide_decision/">Solution IA pour transformer les données médicales en outil d&rsquo;aide à la décision</a> est apparu en premier sur <a href="https://datausage-consulting.fr">DataUsage Consulting | Consultant Data Reims &amp; IDF | BI &amp; Pilotage</a>.</p>
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