Table 3. Comparison of patients with OSA and those without.
| Characteristics | OSA | No OSA | P value |
|---|---|---|---|
| Age (years) | 48.5 (12.3) | 42.0 (10.6) | 0.004 |
| BMI (kg/m2) | 49.6 (7.8) | 46.0 (5.7) | 0.008 |
| BMI score 35-39 | 97.0 (68.7) | 35.0 (92.1) | 0.65 |
| ESS | 7.6 (5.1) | 6.0 (4.3) | 0.05 |
| Nocturnal oximetry | |||
| SpO2 (%) | 93.4 (2.9) | 96.0 (1.1) | <0.001 |
| 4% ODI (h-1) | 22.3 (27.8) | 3.0(1.2) | <0.001 |
| 3% ODI (h-1) | 27.9 (29.5) | 4.0 (1.8) | <0.001 |
| Time with O2 sats <90% (%) | 12.1 (19.0) | 0 (0.6) | <0.001 |
| Pulse rate (h-1) | 75.4 (11.7) | 74.0 (8.1) | 0.38 |
| Pulse rise (h-1) (>6 bpm) | 37.5 (23.0) | 31.0 (15.2) | 0.06 |
| Co-morbidities | |||
| Hypertension | 46.0 (44.6) | 10.0 (26.3) | 0.05 |
| T2DM | 40.0 (38.8) | 8.0 (21.1) | 0.05 |
| Depression | 24.0 (23.3) | 11.0 (28.9) | 0.49 |
| IHD | 2.0 (1.9) | 1.0 (2.6) | 0.73 |
Hypertension ≥140/90 mmHg. Patients with OSA were older, more obese, sleepier and had more comorbidities with hypertension and T2DM. BMI, body mass index; ESS, epworth sleepiness scale; SpO2, peripheral capillary oxygen saturation; ODI, oxygen desaturation index; T2DM, type 2 diabetes mellitus; IHD, ischemic heart disease; OSA, obstructive sleep apnea.