Table 2 Area under curve and summary statistics of HbA 1c cut-off of 6.5 nmol/l for all patients, for patients with GFR ≥60 and for patients with GFR <60
Parameters | All patients | Where GFR ≥ 60 | Where GFR < 60 |
|---|---|---|---|
No. | 275 | 201 | 74 |
Area under curve (95% CI) | 0.73 (0.63, 0.84) | 0.71 (0.57, 0.84) | 0.78 (0.63, 0.94) |
Sensitivity (95% CI) | 0.45 (0.28, 0.64) | 0.46 (0.26, 0.67) | 0.44 (0.14, 0.79) |
Specificity (95% CI) | 0.90 (0.85, 0.93) | 0.92 (0.87, 0.96) | 0.83 (0.72, 0.91) |
Positive predictive value (95% CI) | 0.38 (0.23, 0.54) | 0.44 (0.24, 0.65) | 0.27 (0.08, 0.55) |
Negative predictive value (95% CI) | 0.92 (0.88, 0.95) | 0.93 (0.88, 0.96) | 0.92 (0.81, 0.97) |