Characteristics of AUSDRISK using various cut-off values for detecting abnormal fasting glucose
| FPG≥6.1 mmol/L | ||||
|---|---|---|---|---|
| AUSDRISK cut-off | Sensitivity | Specificity | PPV | NPV |
| ≥12 | 81.3 (70.7 to 89.4) | 57.7 (54.6 to 60.7) | 12.3 (9.5 to 15.5) | 97.7 (96.2 to 98.7) |
| ≥13 | 74.7 (63.3 to 84.0) | 63.8 (60.8 to 66.7) | 13.1 (10.0 to 16.6) | 97.2 (95.6 to 98.3) |
| ≥14 | 68.0 (56.2 to 78.3) | 71.6 (68.7 to 74.3) | 14.8 (11.2 to 19.0) | 96.8 (95.3 to 98.0) |
| ≥15 | 61.3 (49.4 to 72.4) | 76.4 (73.7 to 79.0) | 15.9 (11.9 to 20.7) | 96.4 (94.9 to 97.6) |
| ≥16 | 53.3 (41.4 to 64.9) | 81.7 (79.1 to 84.0) | 17.5 (12.8 to 23.0) | 96.0 (94.5 to 97.2) |
| ≥17 | 45.3 (33.8 to 57.3) | 86.3 (84.1 to 88.4) | 19.4 (13.8 to 26.1) | 95.6 (94.1 to 96.8) |
| ≥18 | 34.7 (24.0 to 46.5) | 91.7 (89.9 to 93.4) | 23.4 (15.9 to 32.4) | 95.1 (93.5 to 96.3) |
| ≥19 | 28.0 (18.2 to 39.6) | 94.6 (93.0 to 95.9) | 27.3 (17.7 to 38.6) | 94.7 (93.2 to 96.0) |
| ≥20 | 25.3 (16.0 to 36.7) | 95.3 (93.9 to 96.5) | 28.4 (18.0 to 40.7) | 94.6 (93.1 to 95.9) |
Data are % (95% CI).
AUSDRISK, Australian Type 2 Diabetes Risk Assessment Tool; FPG, fasting plasma glucose; NPV, negative predictive value; PPV, positive predictive value.