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Table 4 Performances of algorithms in the test dataset

From: Evaluation of syndromic algorithms for detecting patients with potentially transmissible infectious diseases based on computerised emergency-department data

Syndrome Infected Non-infected Optimal threshold of probability Sensitivity Specificity Positive predictive value Negative predictive value
% (95% CI) % (95% CI) % (95% CI) % (95% CI)
Respiratory 318 2,950 0.0661 82.70 (78.09–86.70) 82.37 (80.95–83.73) 33.59 (30.28–37.02) 97.79 (97.13–98.33)
Cutaneous 73 3,195 0.0442 78.08 (66.86–86.92) 95.93 (95.19–96.59) 30.48 (23.97–37.62) 99.48 (99.16–99.17)
Gastrointestinal 34 3,234 0.0115 79.41 (62.1–91.3) 81.97 (80.6–83.28) 4.43 (2.94–6.37) 99.74 (99.46–99.89)