Table 1: Baseline demographics of subjects participating in the study (n = 42).
| Variable | Mean (SD) Median (range) or n (%) |
| Age (years) | 56.1 (10.7) |
| Gender: | |
| Males | 30 (71) |
| Females | 12 (29) |
| Neck circumference (cm) | 40 (2.9) |
| Body mass index (Kg/m2) | 27.9 (3.6) |
| Apnoea-hypopnoea index (events/hour) | 21.0 (10.3) |
| Oxygen desaturation index (events/hour) | 11.0 (3-16) |
| Mean saturation (%) | 95.0 (1.3) |
| Minimum oxygen saturation (%) | 85.1 (6.2) |
| Epworth sleepiness scale | 11.8 (5.1) |