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Table 1 Correlations between Athens Insomnia Scale (AIS) scores and clinical variables in patients with obesity

From: Insomnia and depressive symptoms in relation to unhealthy eating behaviors in bariatric surgery candidates

  Median (IQR) Athens Insomnia Scale (AIS)
  Rho p
BDI-II 10 (5–16) 0.576 0.000
Age (years) 43 (35–53) 0.105 0.054
Weight (kg) 118 (103–133) −0.061 0.262
Height (cm) 168 (162–174) −0.107 0.050
BMI (kg/m2) 41 (37–45) −0.021 0.698
Fat (%) 44 (39–47) 0.029 0.624
Glucose (mg/dl) 98 (90–115) 0.115 0.035
Total cholesterol (mg/dl) 183 (154–211) 0.011 0.836
LDL-cholesterol (mg/dl) 111 (84–133) −0.074 0.184
HDL-cholesterol (mg/dl) 40 (34–47) −0.002 0.964
Triglycerides (mg/dl) 139 (101–188) 0.119 0.028
Apnea Hypopnea Index (AHI) 5 (1–15) −0.0167 0.772
Number of desaturations 24 (6–72) −0.003 0.960
Average oxygen saturation (%) 94 (92–95) −0.098 0.076
Minimum oxygen saturation (%) 86 (81–89) −0.061 0.274
  1. Spearman’s correlations, p values were considered significant when p > 0.05 (in bold). Data is presented as median, interquartile range (IQR)
  2. AIS Athens Insomnia Scale, BDI-II Beck Depression Inventory, BMI body mass index, HDL high-density lipoprotein, LDL low-density lipoprotein