Table 1.
Patient demographics and clinical characteristics in control and SDB subjects
| Characteristic | Control (n = 14) | SDB (n = 19) | P value |
| Age, y | 62.3 ± 1.3 | 66.1 ± 1.9 | 0.14 |
| Female, % | 9 (64.3%) | 6 (31.6%) | 0.06 |
| BMI | 26.6 ± 1.2 | 29.6 ± 1.1 | 0.08 |
| Polysomnographic measures | |||
| AHI | 2.2 ± 0.5 | 31.7 ± 4.4 | <0.0001 |
| Minimum O2 saturation | 89.1 ± 0.7 | 80.5 ± 1.1 | <0.0001 |
| Average O2 saturation | 94.4 ± 0.4 | 92.9 ± 0.3 | 0.006 |
| O2 desaturation index | 1.8 ± 0.4 | 19.4 ± 3.7 | 0.0002 |
| Sleep efficiency | 77.3 ± 3.9 | 73.1 ± 3.1 | 0.40 |
| Total sleep time, min | 383.0 ± 19.4 | 375.1 ± 22.1 | 0.80 |
| Comorbid conditions | |||
| Hypertension | 1 (7.1%) | 4 (21.1%) | 0.37 |
| Diabetes | 0 (0%) | 1 (5.3%) | 1.0 |
| Hypothyroidism | 1 (7.1%) | 1 (5.3%) | 1.0 |
| Cardiovascular risk factors | 2 (14.3%) | 1 (5.3%) | 0.56 |
Mean ± SEM is presented for continuous variables and number (n) with percentage for categorical variables.