Table 3

Independent predictors for structural causes of coma; results are % (95% confidence interval)

SensitivitySpecificityPositive predictive valueNegative predictive valueLikelihood ratio
Absence of the light reflex83 (76 to 90)77 (69 to 85)70 (62 to 79)87 (81 to 93)3.56
Anisocoria39 (30 to 48)96 (92 to 99)86 (79 to 92)70 (62 to 79)9