Table 4 Demographic and clinical characteristics of patients before and after CPAP therapy by ESS group

Variables

Before CPAP

After CPAP

Before CPAP

After CPAP

Age

55.08 (6.2)

–

55.19 (9.0)

–

BMI

31.5 (3.6)

31.1 (3.4)

31.1 (4.4)

31.3 (4.5)

Smoking, n (%)

2 (15.3%)

–

5 (23.8%)

–

ESS^#

13 (1.8)^*

5.9 (3.3)^*

5.5 (2.4)^*

4.1 (2.0)^*

AHI (events/h)^#

44.8 (19.0)^*

4.0 (3.0)^*

29.7 (15.7)^*

1.9 (1,2)^*

ODI (events/h)^#

35.8 (21.4)

–

19.2 (16.6)

–

Mean SaO₂ (%)

91.2 (2.4)

–

92.6 (1.7)

–

Lower SaO₂ (%)^#

71 (7.6)

–

77.1 (8.3)

–

SaO₂ < 90% (%)^#

26.9 (22.8)

–

12.1 (12.7)

–

Total chol, mg/dl

199.4 (34.0)

188.4 (42.5)

200.5 (34.3)

186.5 (30.5)

HDL-cholesterol, mg/dl

44.7 (12.0)

44.8 (12.1)

44.0 (9.1)

44.3 (10,3)

LDL-cholesterol, mg/dl

128.3 (31.6)

122.5 (33.1)

135.4 (28.6)^*

120.6 (30.0)^*

Triglycerides, mg/dl

117.7 (37.7)

120.1 (64.4)

154.3 (56.0)

132.1 (56.9)

Glucose, mg/dl

101.4 (11.8)

97.2 (13.9)

96.8 (13.1)

98.9 (10.2)

HbA1c, %

5.7 (0.4)

5.9 (0.4)

5.7 (0.4)

5.8 (0.3)

24 h SBP (mm Hg)

128.8 (9.8)

125.0 (9.2)

130.6 (11.2)

130.3 (10.8)

24 h DBP (mm Hg)

83.7 (7.7)^*

78.7 (5.9)^*

81.5 (6.7)

79.6 (6.9)

Pulse pressure (mm Hg)

45.2 (4.6)

46.3 (6.9)

49.1 (8.6)

50.7 (8.7)

24 h MBP (mm Hg)

97.9 (8.5)^*

92.8 (6.4)^*

97.1 (7.6)

96.4 (7.5)

Dt SBP (mm Hg)

133.3 (9.4)

127.6 (9.5)

134.8 (11.6)

133.9 (11.3)

Dt DBP (mm Hg)

86.5 (7.8)^*

80.9 (6.4)^*

84.5 (7.1)^*

82.1 (7.4)^*

Nt SBP (mm Hg)

117.8 (11.9)

116.7 (9.5)

118.0 (13.4)

116.1 (9.8)

Nt DBP (mm Hg)

74.1 (9.2)

71.0 (5.7)

70.7 (9.1)

69.4 (6.2)

Hypertension, n (%)

11 (84.6%)

–

16 (76.2%)

–

Hypertensive drugs, n (%)

8 (61.5%)

–

13 (61.9%)

–

Dyslipidemia, n (%)

11(84.6%)

–

17 (81.0%)

–

Lipid lowering drugs, n (%)

5 (38.5%)

–

9 (42.9%)

–

MetS n (%)

8 (61.5%)

–

14 (66.7%)

–

cf-PWV (m/s)

12.5 (1.9)^*§

11.3 (1.6)^*

12.1 (2.6)^£

12.04 (2.0)