Table 2 Classification accuracy of Martin and colleagues’ criteria in detecting community-acquired sepsis events, stratified by infection category [3 ]
From: Discharge diagnoses versus medical record review in the identification of community-acquired sepsis
Diagnostic property | Lung ( n = 166) | Kidney ( n = 59) | Abdominal ( n = 73) | Skin ( n = 49) | Other ( n = 32) | Overall ( n = 379) |
|---|---|---|---|---|---|---|
Sensitivity (%) | 18.8 (10.9 to 29.0) | 44.4 (25.5 to 64.7) | 4.4 (0.11 to 21.9) | 40.0 (12.2 to 73.8) | 68.8 (41.3 to 89.0) | 27.6 (20.7 to 35.3) |
Specificity (%) | 98.8 (93.7 to 100.0) | 90.6 (75.0 to 98.0) | 98.0 (89.4 to 99.9) | 94.9 (82.7 to 99.4) | 68.8 (41.3 to 89.0) | 94.6 (90.8 to 97.2) |
Positive predictive value (%) | 93.8 (69.8 to 99.8) | 80.0 (51.9 to 95.7) | 50.0 (1.3 to 98.7) | 66.7 (22.3 to 95.7) | 68.8 (41.3 to 89.0) | 78.2 (65.0 to 88.2) |
Negative predictive value (%) | 56.7 (48.3 to 64.7) | 65.9 (50.1 to 79.5) | 69.0 (56.9 to 79.5) | 86.0 (72.1 to 94.7) | 68.8 (41.3 to 89.0) | 65.1 (59.7 to 70.3) |
Likelihood ratio positive | 16.1 (2.2 to 119.0) | 4.7 (1.5 to 15.1) | 2.2 (0.1 to 33.2) | 7.8 (1.7 to 36.7) | 2.2 (0.99 to 9.9) | 5.1 (2.8 to 9.4) |
Likelihood ratio negative | 0.82 (0.74 to 0.92) | 0.61 (0.43 to 0.88) | 0.98 (0.89 to 1.07) | 0.63 (0.38 to 1.05) | 0.46 (0.21 to 1.01) | 0.77 (0.69 to 0.85) |
Area under ROC curve | 0.59 (0.54 to 0.63) | 0.68 (0.57 to 0.78) | 0.51 (0.47 to 0.56) | 0.67 (0.51 to 0.84) | 0.69 (0.41 to 0.89) | 0.61 (0.57 to 0.65) |