Table 1.

Patient demographics

Parameters	Values
Gender (female/male)	36/1
Age (years old)	61.3 (range, 40–80)
Height (cm)	150.1 (range, 140–162)
Weight (kg)	50.5 (range, 38–74)
BMI (kg/m2)	22.3 (range, 15.7–29.6)
Previous operation (yes/no)	15/26
Follow-up (years)	6.4 (range, 1–21)

BMI: body mass index