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Table 1 Effects of upper-airway surgery on components of MetS in patients with OSA with and without EDS

From: Excessive daytime sleepiness, metabolic syndrome, and obstructive sleep apnea: two independent large cross-sectional studies and one interventional study

 OSA without EDS (n = 24)OSA with EDS (n = 33)Differences in after-before upper-airway surgery between patients with and without EDS (95%CI)p value
Before upper-airway surgeryAfter upper-airway surgeryBefore upper-airway surgeryAfter upper-airway surgery
Glucose(mmol/L)5.43(0.72)5.00(1.48)5.28(0.69)5.03(1.14)−0.28(− 0.76~0.21)0.61
Insulin(μU/mL)10.50(4.95)10.65(4.83)15.83(11.05)15.66(8.00)−1.81(−4.51~0.89)0.94
HOMA-IR3.39(2.59)2.79(2.14)3.93(2.56)3.33(2.86)−0.60 (−1.21~0.01)0.70
TC(mmol/L)4.93(0.76)4.83(0.84)4.96(1.02)4.57(0.76)−0.33(−0.54~ − 0.12)0.69
TG(mmol/L)2.16(1.98)2.55(3.69)2.74(2.42)2.19(0.95)−0.03(− 0.82~0.76)0.91
HDL(mmol/L)1.06(0.21)1.00(0.19)1.14(0.29)1.09(0.24)−0.04(− 0.09~0.01)0.70
LDL(mmol/L)3.29(0.83)2.95(0.65)3.14(0.51)2.87(0.63)−0.31(− 0.51~ − 0.11)0.86
SBP(mmHg)126.00(13.23)128.86(14.78)128.80(15.88)123.90(14.45)−2.41(−8.75~3.93)0.34
DBP(mmHg)81.21(7.10)82.64(11.02)81.60(10.28)78.15(9.09)0.88(−5.23~7.03)0.56
BMI(kg/m2)28.26(4.93)27.68(3.82)28.36(2.85)27.82(3.35)−0.67(−1.05~ − 0.30)0.38
WHR0.96(0.01)0.95(0.01)0.97(0.06)0.97(0.05)−0.01(−0.03~0.01)0.67
  1. Abbreviations: OSA, obstructive sleep apnea; EDS, excessive daytime sleepiness; BMI, body mass index; HOMA-IR, homeostasis model of assessment for insulin resistance index; TC, total cholesterol; TG, triglycerides; HDL-C, high-density lipoprotein cholesterol; LDL-C, low-density lipoprotein cholesterol; SBP, systolic blood pressure; DBP, diastolic blood pressure