Advertisement
Table 2 Values for sensitivity, specificity positive predictive value, negative predictive value, positive likelihood ratio, and negative likelihood ratio for different cutoff points for HbA1c determined during screenings for insulinoma
| HbA1c cut-off (%) | S (%) | Sp (%) | PPV (%) | NPV (%) | PLR | NLR |
|---|---|---|---|---|---|---|
| 4.7 | 64.5 | 100.0 | 100.0 | 91.6 | – | 0.35 |
| 4.8 | 64.5 | 99.2 | 95.2 | 91.5 | 77.42 | 0.36 |
| 4.9 | 71.0 | 99.2 | 95.7 | 93.0 | 85.16 | 0.29 |
| 5.0 | 77.4 | 99.2 | 96.0 | 94.4 | 92.90 | 0.23 |
| 5.1 | 83.9 | 97.5 | 89.7 | 95.9 | 33.55 | 0.17 |
| 5.2 | 83.9 | 90.8 | 70.3 | 95.6 | 9.15 | 0.18 |
| 5.3 | 90.3 | 90.8 | 71.8 | 97.3 | 9.85 | 0.11 |
| 5.4 | 90.3 | 85.0 | 60.9 | 97.1 | 6.02 | 0.11 |
| 5.5 | 100.0 | 73.3 | 49.2 | 100.0 | 3.75 | 0 |
