Objective To explore the value of waring score of potential critical disease in predicting changes in condition of patients with multiple injuries. Methods From January 1, 2013 to July 31, 2013, all patients with multiple injuries were included prospectively. Patients were observed as soon as ICU admission. The waring score of potential critical disease and MEWS of all patients and the rates of changes in condition of patients were calculated then statistic analysis was performed. Results Of 50 patients enrolled, 44 were survived and 6 were died and 295 changes were found. The maximum , minimum median (P25, P75) of waring score of potential critical disease were 22, 0, 5 (3, 7). The maximum, minimum median (P25, P75) of MEWS were 12, 0, 4 (2, 6). The area under the ROC of waring score of potential critical disease was 0.880 (95% CI, 0.813-0.947, P < 0.001). Youden index was the biggest when waring score of potential critical disease was 6.5. The area under the ROC of MEWS was 0.767 (95% CI, 0.661-0.873, P < 0.001). Youden index was the biggest when MEWS was 5.5. Conclusion The waring score of potential critical disease was effective to predict changes in conditions of patients with multiple injuries and better than MEWS.%目的：探讨潜在危重病预警评分在多发性创伤患者病情变化中的预测价值。方法：选择我科2013年1-7月收治的50例多发伤患者为研究对象进行前瞻性研究，以入住 ICU 时为观察起点，转出 ICU或死亡为观察终点。分别计算每一位患者不同时间段的潜在危重病预警评分和改良早期预警评分（MEWS），然后进行统计学处理与分析。结果：50例中存活44例，死亡6例。50例患者分别进行了295次潜在危重病预警评分和 MEWS 评分。潜在危重病预警评分最高22分，最低0分，中位数5分（3分，7分）。MEWS 评分最高12分，最低0分，中位数4分（2分，6分）。潜在危重病预警评分 ROC 曲线下面积0．880（95％可信区间0．813～0．947，P＜0．001），评分6．5时Youden 指数最大，为0．580。 MEWS 评分ROC曲线下面积0．767（95％可信区间0．661～0．873，P＜0．001），评分5．5时Youden指数最大，为0．450。结论：潜在危重病预警评分对多发性创伤患者的病情变化有一定的预测价值，优于MEWS。
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