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Table 2 PSG examination parameters and questionnaire results of the participants

From: Performance of brief ICF-sleep disorders and obesity core set in obstructive sleep apnea patients

Category No OSA(n = 162) Mild (n = 129) Moderate(n = 134) Severe (n = 167) p value
AHI 1.65 ± 1.54 9.55 ± 3.09 21.87 ± 4.33 48.21 ± 14.19 <  0.0001
Max apnea time 15.43 ± 17.28 36.31 ± 15.86 51.62 ± 18.84 69.35 ± 22.21 <  0.0001
SaO2 nadir 88.19 ± 5.64 82.76 ± 7.69 79.21 ± 7.98 69.96 ± 9.244 <  0.0001
Max pulse 109.40 ± 20.47 107.80 ± 18.55 109.60 ± 19.15 111.50 ± 18.02 0.25
4% decline of SaO2 index 5.04 ± 7.75 12.67 ± 7.40 21.41 ± 15.94 40.85 ± 16.9 <  0.0001
  1. Data are presented as Mean ± standard deviations. Differences were compared among the 4 groups
  2. SaO2, oxygen saturation. The data of significant difference were marked in bold