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Table 4 Descriptive statistics and correlations among Δ scores

From: Anxiety and depression in association with morbid obesity: changes with improved physical health after duodenal switch

  Mean ± SD Δ HADS anxiety Δ BMI Δ PCS
Δ HADS anxiety (n = 44) -3.0 ± 4.0 0.53*** -0.12 -0.45**
Δ HADS depression (n = 44) -4.5 ± 5.0   0.06 -0.57***
Δ BMI (n = 50) -20.0 ± 7.5    -0.37*
Δ PCS (n = 41) 21.3 ± 11.7    
  1. Note. HADS: hospital anxiety and depression scale. BMI: body mass index. PCS: physical cumulative summary. The Δ scores were calculated by subtracting the scores assessed two years after surgery from the initial scores.
  2. *P < 0.05, ** P < 0.01, *** P < 0.001.