Table 1.
Latent class analysis versus reference standard calculations for Cohort 1 (MRI versus CT)
| Diagnostic test | Latent class analysis | Calculations using reference standard | ||
|---|---|---|---|---|
| Sensitivity (95% CI) | Specificity (95% CI) | Sensitivity (95% CI) | Specificity (95% CI) | |
| CT (scaphoid plane) | 0.78 (0.36–1.0) | 1.0 (0.96–1.0) | 0.67 (0.36–0.80) | 0.96 (0.90–0.99) |
| CT (wrist) | 0.16 (0–0.45) | 0.89 (0.77–1.0) | 0.17 (0.03–0.44) | 0.89 (0.86–0.95) |
| MRI | 0.80 (0.41–1.0) | 0.93 (0.83–1.0) | 0.67 (0.34–0.89) | 0.89 (0.82–0.94) |
| Radiographs (6 weeks) | 0.80 (0.40–1.0) | 0.97 (0.89–1.0) | ||
| Prevalence (%) | 18.9 | 17.6 | ||
CI = confidence interval.