TABLE 3.
Participant characteristics: subgroup meeting fMRI analysis criteria.
| Control (No or mild apnea) |
OSA (Moderate or severe apnea) |
||
| Characteristics | n = 10 | n = 14 | p-value |
| Age (years) | 59 ± 9 | 57 ± 13 | 0.722 |
| Men (n) | 5 | 11 | |
| AHI (events/h) | 5 ± 3 | 34 ± 23 | <0.001 |
| BMI (kg/m2) | 27 ± 3 | 31 ± 5 | <0.05 |
| MSNA (bursts/100 HB) | 48 ± 17 | 66 ± 19 | <0.05 |
| MSNA (bursts/min) | 27 ± 11 | 45 ± 14 | <0.01 |
| HR (bpm) | 58 ± 11 | 65 ± 8 | 0.164 |
| SBP (mmHg) | 119 ± 9 | 127 ± 16 | 0.118 |
| DBP (mmHg) | 64 ± 10 | 71 ± 11 | 0.107 |
| ODI | 9 ± 9 | 31 ± 23 | <0.01 |
Mean ± SD.AHI, apnea–hypopnea index; BMI, body mass index; DBP, diastolic blood pressure; HB, heart beats; HR, heart rate; MSNA, muscle sympathetic nerve activity; ODI, oxygen desaturation index; OSA, obstructive sleep apnea; SBP, systolic blood pressure.