Lactic acid level (mmol/L, n) | Sensitivity (%, n) | Specificity (%, n) | PPV (%, n) | NPV (%, n) | OR (95% CI) | P |
---|---|---|---|---|---|---|
≥1.5 (110/249) | 66.0 (33/50) | 61.3 (122/199) | 30.0 (33/110) | 87.8 (122/139) | 3.076 (1.604–5.897) | .001 |
≥2.0 (52/249) | 36.0 (18/50) | 82.9 (165/199) | 34.6 (18/52) | 83.8 (165/197) | 2.730 (1.376–5.417) | .006 |
≥2.5 (20/249) | 20.0 (10/50) | 95.0 (189/199) | 50.0 (10/20) | 82.5 (189/229) | 4.725 (1.845–12.103) | .002 |
≥3.0 (9/249) | 16.0 (8/50) | 99.5 (198/199) | 88.9 (8/9) | 82.5 (198/240) | 37.714 (4.594–309.634) | < .001 |