Patient characteristics according to apnoea-hypopnoea index (AHI)
| AHI <15(n = 56) | AHI ⩾15(n = 19) | |
| Mean (range) age (years) | 43 (16–65) | 45 (26–61) |
| Men, n | 4 | 7 |
| % men having sleep study | 36% | 64% |
| Mean (SD) BMI | 47 (9) | 53 (9) |
| Mean (range) ESS | 8.0 (0–21) | 8.6 (0–19) |
| CPAP offered | 1 | 18 |
BMI, body mass index; CPAP, continuous positive airway pressure; ESS, Epworth Sleepiness Score.