Differences in terms of accuracy: clinical and subjective factors (for patients not using insulin).
| Factors | Underestimators (n = 37) n (%) | Accurate (n = 36) n (%) | Overestimators (n = 12) n (%) | F/χ2 | P-value |
|---|---|---|---|---|---|
| Clinical | |||||
| Vascular disease | 11 (29.7) | 9 (25.0) | 5 (41.7) | 17.695 | 0.001 |
| Hypertension | 16 (43.2) | 10 (27.7) | 7 (58.3) | 3.800 | 0.051 |
| β blockers | 11 (29.7) | 6 (16.7) | 5 (41.7) | 23.253 | 0.001 |
| ACE inhibitors | 20 (54.1) | 13 (36.1) | 4 (33.3) | 1.274 | 0.259 |
| Statins | 20 (54.1) | 15 (41.7) | 7 (58.3) | 0.095 | 0.758 |
| Subjective | |||||
| Symptoms when blood glucose is believed high | |||||
| No symptoms | 21 (56.7) | 29 (80.5) | 7 (58.3) | ||
| Physical | 11 (29.7) | 5 (13.8) | 4 (33.3) | 57.747 | 0.001 |
| Psychological | 5 (13.5) | 2 (5.5) | 1 (8.3) | ||
| Symptoms when blood glucose is believed low | |||||
| No symptoms | 20 (54.1) | 17 (47.2) | 8 (66.6) | ||
| Physical | 13 (35.1) | 14 (38.8) | 4 (33.3) | 27.874 | 0.001 |
| Psychological | 4 (10.8) | 5 (13.8) | 0 (0) | ||