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Patient characteristics
| Age group | Older (n = 10) | Young (n = 15) |
|---|---|---|
| Age, yr | 66.9 ± 5.4 | 35.9 ± 9.9 |
| BMI, kg/m2 | 26.4 ± 2.5 | 27.3 ± 3.2 |
| Gender | 6F/4M | 8F/7M |
| Apnea-hypopnea index/h | 6.2 ± 3.8 | 1.2 ± 1.3 |
| CO2 production, ml·min−1·kg−1 | 4.1 ± 0.2 | 4.2 ± 0.2 |
Results are means ± SD. BMI, body mass index; F, female; M, male.
