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

Table 4 Descriptive statistics and correlations among Δ scores

	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

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.
*P < 0.05, ** P < 0.01, *** P < 0.001.

ISSN: 1477-7525