Skip to main content
. 2008 Sep 9;30(7):2090–2097. doi: 10.1002/hbm.20650

Table II.

Variables of the study (n = 152 subjects)

ODI AHI
<15 ≥15 (SRBDs) P <15 ≥15 (SRBDs) P
Number of subjects 127 25 76 76
Sex ratio (M/F) 44/83 11/14 24/52 31/45
Age (year) 66.0 (0.6) 66.0 (0.8) 0.64 66.0 (0.6) 66.1 (0.7) 0.24
BMI (kg/m2) 25.1 (3.2) 27.3 (3.2) 0.0001 24.6 (3.0) 26.3 (3.4) 0.0013
Systolic BP (mmHg)a 117.7 (13.9) 124.4 (14.1) 0.03 116.2 (20.2) 121.4 (14.1) 0.02
Diastolic BP (mmHg)a 75.9 (7.4) 78.1 (7.4) 0.18 75.3 (7.7) 77.2 (7.0) 0.10
Epworth Scale Score 5.6 (3.8) 6.0 (4.6) 0.64 5.5 (3.8) 5.9 (3.9) 0.49
Epworth Scale Score ≥ 10 16% 17% 0.87 18% 16% 0.67
ODI (event/hour) 6.2 (4.5) 24.2 (9.0) n.a. 3.7 (3.1) 14.5 (9.1) <0.0001
AHI (event/hour) 14.1 (9.8) 39.5 (11.5) <0.0001 7.4 (3.8) 29.2 (11.3) n.a.
AI (events/hour) 3.3 (4.2) 12.9 (9.8) <0.0001 1.2 (1.3) 8.4 (7.6) <0.0001
HI (events/hour) 9.7 (6.4) 23.2 (8.6) <0.0001 5.6 (3.0) 18.2 (7.4) <0.0001
cAHI (events/hour) 0.6 (0.8) 1.7 (3.5) <0.001 0.3 (0.3) 1.3 (2.2) 0.0001
Time below 90% SaO2 (%) 0.9 (4.4) 8.1 (11.3) <0.0001 1.1 (5.6) 3.1 (7.4) 0.07
SaO2 min 90.8 (3.2) 84.8 (7.3) <0.0001 91.4 (3.2) 88.3 (5.4) <0.0001
SaO2 mean 95.7 (2.2) 94.2 (1.8) 0.001 95.6 (2.7) 95.3 (1.6) 0.56
GM volume (L) 0.6 (0.1) 0.6 (0.1) 0.59 0.6 (0.1) 0.6 (0.1) 0.52

Values are presented as Mean (SD).

P value (Student's unpaired two‐tailed t‐test) between SRBDs and non‐SRBDs subjects.

a

Data for blood pressure were only available for 149 subjects (74 AHI ≥ 15, 75 AHI < 15 and 24 ODI ≥ 15, 125 ODI < 15).