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Table 1 Demographic and polysomnographic profile of subjects

From: Waist-hip ratio is an independent predictor of moderate-to-severe OSA in nonobese males: a cross-sectional study

 

Obesity BMI ≥ 28 kg/m2

Non-obese BMI < 28 kg/m2

p-value

F

(A) WHR ≥ 0.9

(B) WHR < 0.9

(C) WHR ≥ 0.9

(D) WHR < 0.9

AHI (h)

38.1 ± 27.4

38.5 ± 18.9

23.4 ± 16.0***

21.5 ± 15.2***#

 < 0.01

11.60

AI (h)

15.4 ± 25.0

15.9 ± 16.2

10.0 ± 13.9

9.8 ± 13.5

0.16

1.77

HI (h)

22.7 ± 18.6

22.7 ± 8.8

13.3 ± 9.1***

12.0 ± 9.0***#

 < 0.01

12.07

LSPO2 (%)

76.2 ± 11.4

81.3 ± 5.6

83.3 ± 9.3***

85.1 ± 7.5***

 < 0.01

12.35

ODI (h)

39.7 ± 29.1

32.0 ± 17.9

17.3 ± 15.0***

15.6 ± 15.8***

 < 0.01

21.40

AI/HI

2.1 ± 5.4

0.87 ± 1.30

2.37 ± 9.64

3.03 ± 0.01

0.87

0.24

ESS

6.3 ± 5.3

5.9 ± 4.4

7.2 ± 5.1

7.1 ± 4.3

0.64

12.93

Height (cm)

175.4 ± 11.9

176.3 ± 9.2

171.3 ± 6.2

172.4 ± 6.6

0.02

3.45

Weight (kg)

133.5 ± 30.0

106.2 ± 32.7

67.1 ± 7.1

70.8 ± 10.6

 < 0.01

188.17

WC (cm)

129.0 ± 18.0

104.8 ± 14.6

90.7 ± 5.1

85.6 ± 7.7

 < 0.01

212.06

HC (cm)

127.7 ± 21.3

121.3 ± 19.9

95.8 ± 5.5

99.1 ± 6.6

 < 0.01

91.89

WHR

1.04 ± 0.30

0.87 ± 0.04

0.95 ± 0.04

0.86 ± 0.03

 < 0.01

19.01

Age (y)

30.24 ± 0.99

39.75 ± 3.61

50.49 ± 1.69

43.41 ± 1.24

 < 0.0001

28.76

  1. *** indicated p < 0.001 versus group A; # indicated p < 0.05 versus group B