Table 4.
Diagnostic validity for each test using cut-offs obtained with ROC curves.
| Test | Cut-off with ROC curve | Sensitivity (CI 95%) |
Specificity (CI 95%) |
LR+ (CI 95%) |
LR− (CI 95%) |
|---|---|---|---|---|---|
| NPC recovery | ≥8.25 cm | 0.85 (0.69–1) |
0.82 (0.61–1) |
4.79 (1.69–14) |
0.19 (0.08–0.48) |
| BAF | ≤8.25 cpm | 0.88 (0.75–1) |
0.79 (0.63–0.94) |
4.14 (2.12–8.09) |
0.15 (0.06–0.39) |
| NPC break | ≥5.35 cm | 0.73 (0.56–0.89) |
0.91 (0.80–1) |
8.00 (2.67–24) |
0.30 (0.17–0.53) |
| MAF | ≤8.25 cpm | 0.70 (0.52–0.87) |
0.94 (0.84–1) |
12.00 (2.95–45) |
0.32 (0.19–0.55) |
| VF | ≤14.75 cpm | 0.70 (0.52–0.87) |
0.70 (0.52–0.87) |
2.30 (1.31–4.04) |
0.25 (0.25–0.76) |
| MEM | ≤0.63 D | 0.73 (0.56–0.89) |
0.55 (0.36–0.73) |
1.60 (1.04–2.46) |
0.50 (0.26–0.95) |
| NRA | ≤2.38 D | 0.76 (0.60–0.92) |
0.52 (0.33–0.70) |
2.30 (1.31–4.04) |
0.43 (0.25–0.76) |
LR+: positive likelihood ratio, LR−: negative likelihood ratio, CI: confidence interval, NPC: near point of convergence, BAF: binocular accommodative facility, MAF: monocular accommodative facility, VF: vergence facility, MEM: monocular estimated method, NRA: negative relative accommodation, cpm: cycles per minute, D: diopter.