Table 5 Sensitivity, specificity, PPV and NPV for each evaluation session and each observer when comparing MLS to thickness of the hematoma plus 3 mm [value (95 % confidence interval)]
From: Midline shift in relation to thickness of traumatic acute subdural hematoma predicts mortality
Observer 1 | Observer 2 | |||
|---|---|---|---|---|
Evaluation | 1 | 2 | 1 | 2 |
Sensitivity | 0.2 (0.08–0.39) | 0.1 (0.03–0.28) | 0.23 (0.17–0.43) | 0.17 (0.06–0.35) |
Specificity | 1 (0.85–1) | 1 (0.85–1) | 1 (0.85–1) | 1 (0.85–1) |
PPV | 1 (0.52–1) | 1 (0.31–1) | 1 (0.56–1) | 1 (0.46–1) |
NPV | 0.55 (0.41–0.68) | 0.52 (0.38–0.65) | 0.56 (0.41–0.69) | 0.53 (0.4–0.67) |