<div style="padding:40px;color:#cbccc6"><h1>贝叶斯定理（医检）</h1><p>灵敏度/特异度/患病率 → 阳性预测值。</p><div style="padding:20px;background:#0d1017;border-left:3px solid #ffb454"><span class="katex-display"><span class="katex"><span class="katex-html" aria-hidden="true"><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.1389em;">P</span><span class="mopen">(</span><span class="mord mathnormal" style="margin-right:0.0278em;">D</span><span class="mord">∣</span><span class="mord">+</span><span class="mclose">)</span><span class="mspace" style="margin-right:0.2778em;"></span><span class="mrel">=</span></span><span class="mspace newline"></span><span class="base"><span class="strut" style="height:1em;vertical-align:-0.25em;"></span><span class="mord mathnormal" style="margin-right:0.1076em;">f</span><span class="mord mathnormal" style="margin-right:0.0278em;">r</span><span class="mord mathnormal">a</span><span class="mord mathnormal">c</span><span class="mord"><span class="mord mathnormal" style="margin-right:0.1389em;">P</span><span class="mopen">(</span><span class="mord">+</span><span class="mord">∣</span><span class="mord mathnormal" style="margin-right:0.0278em;">D</span><span class="mclose">)</span><span class="mord mathnormal" style="margin-right:0.1389em;">P</span><span class="mopen">(</span><span class="mord mathnormal" style="margin-right:0.0278em;">D</span><span class="mclose">)</span></span><span class="mord"><span class="mord mathnormal" style="margin-right:0.1389em;">P</span><span class="mopen">(</span><span class="mord">+</span><span class="mclose">)</span></span></span></span></span></span></div><p style="color:#707a8c">该页面需要 JavaScript 进行交互式可视化。</p></div>