Mean (SD) demographic details of patients with OSA and control subjects
|
Patients with OSA (n=45) |
Control subjects (n=45) | p value | |
| Age (years) | 51.7 (10.4) | 52.2 (10.4) | NS |
| Weight (kg) | 93.1 (10.1) | 94.1 (10.3) | NS |
| Height (m) | 1.74 (0.08) | 1.75 (0.07) | NS |
| BMI (kg/m2) | 30.9 (2.8) | 30.5 (2.4) | NS |
| Waist (cm) | 103 (9.3) | 107 (7.6) | <0.01 |
| Hip (cm) | 107 (6.9) | 109 (7.3) | NS |
| Waist/hip ratio | 0.96 (0.06) | 0.99 (0.04) | <0.01 |
| Waist/height ratio | 0.59 (0.06) | 0.61 (0.04) | <0.05 |
| Neck (cm) | 42.8 (2.9) | 41.9 (2.1) | NS |
| ESS | 15.9 (3.1) | 7.1 (3.2) | <0.0001 |
| >4% falls in Sao 2/h | 29.1 (13.4) | 1.7 (1.6) | <0.0001 |
| Time of waking | 07:45 (1:05) | 7:58 (1:13) | NS |
| Past history | |||
| Hypertension | 6 | 6 | |
| Ischaemic heart disease | 3 | 3 | |
| Smoking | |||
| Never | 12 | 12 | |
| Ex/current | 33 | 33 |
BMI = body mass index; ESS = Epworth Sleepiness score; Sao 2 = arterial saturation.