Table 1
Rates of sensitivity, specificity, positive and negative predictive values for different thresholds of manifest hyperopia
| Threshold of manifest hyperopia | Positive test No (%) | Negative test No (%) | Sensitivity (%) | Specificity (%) | PPV (%) | NPV (%) |
|---|---|---|---|---|---|---|
| > +1.00 | 72 (33.5) | 143 (66.5) | 78.7 | 79.2 | 51.4 | 93.0 |
| > +1.25 | 58 (27.0) | 157 (73.0) | 72.3 | 85.7 | 58.6 | 91.7 |
| > +1.50 | 42 (19.5) | 173 (80.5) | 70.2 | 94.6 | 78.6 | 91.9 |
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PPV = positive predictive value, NPV = negative predictive value.
