Table 4 Diagnostic accuracy indices of patient characteristics associated with an adverse outcome in patients presenting with BAT
Cut-off value | Sens (95% CI) | Spec (95% CI) | LR (+) | LR (-) | |
|---|---|---|---|---|---|
ISS-score | >25 | 78 (40–96)% | 76 (72–80%) | 3.3 (2.2–4.9) | 0.3 (0.1–1.0) |
pH | < 7.32 | 33 (6–76%) | 80 (74–85%) | 1.7 (0.5–5.4) | 0.8 (0.5–1.5) |
BE (mmol/l) | < −5.7 | 33 (6–76%) | 91 (86–95)% | 3.8 (1.1–12.7) | 0.7 (0.4–1.3) |
HCO3- (mmol/l) | < 22 | 50 (14–86)% | 53 (45–60)% | 1.0 (0.5–2.4) | 1.0 (0.4–2.1) |
AST (U/l) | > 251 | 33 (9–69)% | 97 (94–98)% | 10.3 (3.5–30.0) | 0.7 (0.4–1.1) |
APTT (sec) | > 33 | 14 (1–58%) | 95 (92–97%) | 2.8 (0.4–18.7) | 0.9 (0.7–1.2) |
Positive FAST-result | NA | 67 (31–91)% | 98 (96–99%) | 34.3 (15.1–78.5) | 0.34 (0.13–0.86) |