Diagnostic properties of fasting plasma glucose (FPG) and glycosylated haemoglobin (HbA1c) for detecting patients with diabete
| Test (cut point) | Sensitivity (95% CI) | Specificity (CI) | +LR (CI) | −LR (CI) |
|---|---|---|---|---|
| *Diagnostic terms defined in glossary; LRs and CI calculated from data in article. | ||||
| FPG (≥5.7 mmol/l) | 83% (74 to 93) | 88% (86 to 90) | 7 (6 to 8) | 0.2 (0.1 to 0.3) |
| HbA1c (≥5.9%) | 75% (64 to 86) | 79% (76 to 82) | 4 (3 to 4) | 0.3 (0.2 to 0.5) |
| FPG (≥5.7 mmol/l) and HbA1c (≥5.9%) | 72% (60 to 83) | 95% (94 to 96) | 14 (10 to 19) | 0.3 (0.2 to 0.4) |