Table 2 Lipid profiles and percentage of dyslipidemia according to MAI quartiles.

From: Independent Association between Sleep Fragmentation and Dyslipidemia in Patients with Obstructive Sleep Apnea

Characteristic

MAI ≤ 14.1

14.1 < MAI ≤ 26.5

26.5 < MAI ≤ 45.3

MAI > 45.3

P-value for trenda

No. patients

671

673

673

669

–

Biochemistry assays

 Total cholesterol, mg/dL

178.95 ± 37.17

183.06 ± 36.37

188.79 ± 38.04

190.36 ± 38

<0.001

 HDL-c, mg/dL

43.57 ± 9.86

43.12 ± 10.16

42.62 ± 10.29

41.01 ± 8.82

<0.001

 LDL-c, mg/dL

109.86 ± 31.88

116.81 ± 31.42

123.63 ± 33.58

126.93 ± 33.7

<0.001

 Triglycerides, mg/dL

137.6 ± 101.73

156.65 ± 95.42

173.5 ± 117.52

188.92 ± 109.74

<0.001

Dyslipidemia

 Hypercholesterolemia, %

25.78

29.87

35.81

35.58

<0.001

 Hyper LDL cholesterolemia, %

23.4

31.95

38.19

42.9

<0.001

 Low HDL cholesterolemia, %

41.13

40.56

44.87

49.78

<0.001

 Hypertriglyceridemia, %

28.91

41.9

45.47

54.86

<0.001

  1. Data are presented as mean ± SD or %. HDL-c, high-density lipoprotein cholesterol; LDL-c, low-density lipoprotein cholesterol; MAI, microarousal index.
  2. aested using the polynomial linear trend test for continuous variables and the linear-by-linear association test for dichotomous variables.
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