Table 2. Test characteristics for Seamens’ Sign criterion, Sokolow-Lyon 1 (SL-1) and 2 (SL-2) criteria, and Cornell criteria for diagnosing left ventricular hypertrophy from electrocardiograms.
Test | Sensitivity | Specificity | PPV | NPV | ||||
---|---|---|---|---|---|---|---|---|
Estimate | 95% CI | Estimate | 95% CI | Estimate | 95% CI | Estimate | 95% CI | |
Seamens’ Sign | 0.11 | (0.09, 0.13) | 0.92 | (0.91, 0.94) | 0.43 | (0.36, 0.51) | 0.66 | (0.64, 0.68) |
SL-1 | 0.05 | (0.03, 0.07) | 0.98 | (0.97, 0.98) | 0.51 | (0.39, 0.63) | 0.66 | (0.64, 0.68) |
SL-2 | 0.08 | (0.06, 0.10) | 0.94 | (0.93, 0.95) | 0.41 | (0.33, 0.50) | 0.66 | (0.64, 0.68) |
Cornell Overall | 0.13 | (0.11, 0.15) | 0.92 | (0.90, 0.93) | 0.46 | (0.39, 0.52) | 0.67 | (0.64, 0.69) |
Cornell Men | 0.09 | (0.07, 0.12) | 0.94 | (0.92, 0.96) | 0.51 | (0.39, 0.62) | 0.62 | (0.59, 0.65) |
Cornell Women | 0.18 | (0.14, 0.23) | 0.89 | (0.87, 0.91) | 0.42 | (0.34, 0.51) | 0.71 | (0.68, 0.74) |
Notes.
Abbreviations
- CI
- confidence interval
- PPV
- positive predictive value
- NPV
- negative predictive value