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Table 1 Baseline characteristics of obstructive sleep apnea patients without hypertension at pre-treatment of continuous positive airway pressure (CPAP).

From: Effects of CPAP on right ventricular myocardial performance index in obstructive sleep apnea patients without hypertension

Variables Data
Subjects n 18
Mean age yrs 46.5 ± 4.9
Male n, (%) 14 (78)
Female n, (%) 4 (22)
BMI kg/m2 30.6 ± 4,0
SBP mmHg 120.3 ± 10.1
DBP mmHg 82.0 ± 4.1
HR pulse*min-1 82.4 ± 13.4
AHI per h 50.1 ± 11.6
DI per h 37.8 ± 18.0
MinSatO2 (%) 73.8 ± 18.9
AverageSatO2 % 80.1 ± 2.6
*Sleep duration % 66.4
CPAP usage h/night 5.6 ± 1.7
CPAP pressure cmH2O 11.3 ± 2.5
  1. Data are presented as n, n(%) or mean ± SD. BMI: body mass index, SBP: systolic blood pressure, DBP: diastolic blood pressure, HR: heart rate, AHI: apnea hypopnea index, DI: desaturation index, SatO2: saturation of nocturnal arterial oxygen, NS: nonsignificant. *SatO2 < 90%