Table 1. Demographics, hemodynamics, and sleep profile in male and female subjects with or without obstructive sleep apnea (OSA).
| Male subjects | Female subjects | |||
|---|---|---|---|---|
| Control (n=100) |
OSA (n=76) |
Control (n=68) |
OSA (n=21) |
|
| Age, yrs | 39±14 | 47±12* | 37±13 | 49±12# |
| BMI, kg/m2 | 28±6 | 32±5* | 28±6 | 37±9# |
| Systolic BP, mmHg | 129±15 | 133±12 | 126±20 | 130±12 |
| Diastolic BP, mmHg | 72±7 | 79±7* | 72±9 | 68±5 |
| Mean BP, mmHg | 91±9 | 97±8* | 90±12 | 89±4 |
| Heart Rate, beats per min | 62±11 | 66±11* | 66±12 | 74±11# |
| Sleep Time, min | 409±53 | 353±97 | 387±61 | 384±24 |
| Sleep Efficiency, % | 77±19 | 80±12 | 80±17 | 78±12 |
| Sleep Latency, min | 19±48 | 9±10 | 12±15 | 16±25 |
| REM Latency, min | 127±106 | 120±72 | 121±86 | 138±83 |
| Stage 1 Sleep, % | 11±9 | 17±10* | 12±8 | 16±8 |
| Stage 2 Sleep, % | 50±10 | 57±11* | 50±11 | 53±9 |
| Slow-Wave Sleep, % | 24±10 | 13±9* | 20±9 | 17±6 |
| REM Sleep, % | 16±7 | 14±7* | 18±7 | 14±6 |
| Awake SpO2, % | 97±1 | 97±1 | 97±2 | 97±2 |
| Mean SpO2, % | 96±2 | 94±2* | 97±2 | 94±2# |
| Lowest SpO2, % | 90±5 | 79±12* | 92±4 | 82±8# |
| >90% SpO2, min | 100±1 | 95±8* | 100±1 | 98±2# |
| AI, events per h | 21±15 | 44±21* | 21±9 | 36±26# |
| AHI, events per h | 1±1 | 32±30* | 1±1 | 19±18# |
AHI, apnea-hypopnea index; AI, arousal index; REM, rapid eye movement; SpO2, oxygen saturation by finger-pulse oximeter.
Values are means±SD.
*
P<0.05, OSA vs control for male subjects.
#
P<0.05, OSA vs control for female subjects.