Table 2.
PSG indices categorized by hypertension in patients with T2DM.
| All patients | Normotension | Hypertension | p value | |
|---|---|---|---|---|
| n (%) | 186 (58.9%) | 130 (41.1%) | ||
| AHI | 9.0 (3.3–24.9) | 5.7 (2.1–17.3) | 17.2 (5.7–34.9) | <0.001 |
| REM-AHI (events/h) | 2.4 (0.0–15.8) | 1.9 (0.0–12.7) | 4.3 (0.0–20.4) | 0.142 |
| NREM-AHI (events/h) | 8.8 (3.3–25.9) | 5.2 (2.2–16.6) | 17.6 (5.5–36.5) | <0.001 |
| OSAS categories | <0.001 | |||
| No | 112 | 85 (75.9%) | 27 (24.1%) | |
| Mild | 82 | 51 (62.2%) | 31 (37.8%) | |
| Moderate | 62 | 30 (48.4%) | 32 (51.6%) | |
| Severe | 60 | 20 (33.3%) | 40 (66.7%) | |
| ODI (events/h) | 32.5 (13.9–62.9) | 22.6 (10.8–48.1) | 48.4 (21.9–78.0) | <0.001 |
| Lowest SaO2 (%) | 76.0 ± 10.2 | 77.3 ± 9.8 | 74.0 ± 10.4 | 0.004 |
AHI, apnea-hypopnea index; CI, confidence interval; NREM, nonrapid eye movement; ODI, oxygen desaturation index; OR, odds ratio; OSAS, obstructive sleep apnea syndrome; REM, rapid eye movement; SaO2, arterial oxygen saturation; T2DM, type 2 diabetes mellitus.