Table 1. Descriptive analysis of continuous variables.

Variables	Mean	SD	Median	Minimum	Maximum
Age (year)	55.82	11.61	54.00	34.00	79.00
Family income (R$)	1,693.00	2,002.70	1,200.00	100.00	14,000.00
Number of dependents	2.44	1.32	2.00	1.00	6.00
BMI	27.80	4.30	27.21	20.01	42.61
Follow-up after surgery (year)	1.85	1.36	1.63	1.00	11.80
Difference volume of the arms (ml)	107.27	9.18	106.00	87.50	140.00

BMI = body mass index, SD = Standard deviation