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Table 1 Demographic and polysomnographic characteristics of the subjects (n = 46)

From: Relationship of redundant Th17 cells and IL-17A, but not IL-17 F, with the severity of obstructive sleep apnoea/hypopnoea syndrome (OSAHS)

  Control group (n = 9) Mild OSAHS (n = 10) Moderate OSAHS (n = 11) Severe OSAHS (n = 16) p value
Age (years) 50(22,63) 47.5(39,61) 42(30,65) 43.5(25,70) 0.823
BMI (kg/m2) 24.6(22,30.8) 26.9(22.6,30.8) 26(22.5,31.6) 29.4(23.7,38.4)* 0.029
AHI (events/h) 1.2(0.1,3.6) 8.6(5.7,15)* 26.2(15.1,30)*# 50.7(40.7,91.4)* 0.000
Lowest SaO2 (%) 91(86,95) 81(67,88)* 80(69,87)* 63(32,79)*# <0.001
Mean SaO2 (%) 97(96,98) 96(94,97) 96(94,98) 90.5(85,96)*# <0.001
  1. The Kruskal-Wallis test was used to assess the differences among groups, and the Mann–Whitney test was used to test the significance of the differences between two groups.
  2. The data were summarised as median (minimum,maximum). * p < 0.05 versus control group; # p < 0.05 versus mild OSAHS group; p < 0.05 versus moderate OSAHS group.