Table 3 Measures of diagnostic accuracy for the diagnosis of acute coronary syndrome
From: Value of high-sensitivity C-reactive protein in low risk chest pain observation unit patients
Hs-CRP thresholds | Sensitivity | Specificity | Likelihood ratio positive | Likelihood ratio negative |
|---|---|---|---|---|
≥1.0 mg/l | 68% (59.1%-75.9%) | 32% (28.9%-35.3%) | 1.00 (0.88-1.14) | 0.99 (0.76-1.31) |
>3.0 mg/l | 43.8% (35.2%-52.8%) | 58.5% (55.0%-61.9%) | 1.05 (0.85-1.3) | 0.96 (0.81-1.13) |
≥2.0 mg/l | 53.1% (49.6%-67.7%) | 50.3% (46.8%-53.9%) | 1.05 (0.76-1.45) | 0.99 (0.94-1.04) |