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Table 1 Comparison of clinical characteristics and polysomnographic parameters according to OSA severity

From: Assessment of bone mineral density and bone metabolism in young men with obstructive sleep apnea: a cross-sectional study

 

Controls

Moderate OSA

Severe OSA

p values

Subjects (n)

15

27

43

 

Age

33.60 ± 5.12

34.96 ± 4.16

36.45 ± 4.30

0.082

Antihypertensive agents, number (%)

1/15(6.7)

4/27(14.8)

17/43(39.5)

0.012*

Antidiabetic agents, number (%)

0/15(0.0)

2/27(7.4)

4/43(9.3)

0.403

Current smoking, number (%)

3/15(20.0)

12/27(44.4)

15/43(34.9)

0.364

Neck circumference (cm)

38.61 ± 2.62

40.50 ± 3.06

42.33 ± 5.07

0.012*

Waist circumference (cm)

90.79 ± 9.46

95.11 ± 7.13

100.29 ± 8.84

0.001*

BMI (kg/m2)

25.39 ± 3.13

26.92 ± 2.25

29.25 ± 3.74

0.000*

AHI

6.80(5.30,9.20)

34.15(20.10,43.68)

69.62(58.10,80.35)

0.000*

ODI

3.40(1.30,8.15)

23.85(14.45,30.31)

64.15(49.03,71.20)

0.000*

T90%(%)

0.06(0.00,0.42)

2.50(0.25,5.86)

20.38(8.83,33.04)

0.000*

LaSO2 (%)

88.00(84.00,90.25)

80.50(69.25,87.00)

61.50(49.75,72.50)

0.000*

AHTI

2.19(1.19,3.49)

14.66(10.03,23.73)

31.12 (27.28,40.65)

0.000*

ESS score

5.00(3.00,12.00)

6.50(5.00,10.00)

10.00(6.00,14.50)

0.024*

  1. OSA Obstructive sleep apnea, BMI Body mass index, AHI Apnea–hypopnea index, ODI Oxygen desaturation index, T90% the percentage of total sleep time spent with SpO2 < 90%, LaSO2 lowest O2 saturation, AHTI Apnea and hypopnea time index, ESS score Epworth Sleepiness Scale score, *p was considered statistically significant