Table 1.

Patients’ preoperative characteristics

	Total	RYGB	OAGB	p value
Number of patients	73	28	45
Gender ratio female/male (%F)	54/19 (74)	22/6 (78)	32/13 (71)	0.480*
Age (years) (range)	51.7 ± 10.6 (27-71)	50.5 ± 9.5	52.7 ± 11.3	0.447**
Body weight (kg ± SD) (range)	126.9 ± 22.0 (86.0 – 187.6)	120.5 ± 24.4 (86.0 -174.0)	130.85 ± 19.5 (96.0 - 187.6)	0.049**
BMI (kg/m2 ± SD) (range)	45.4 ± 8.1 (32.4 – 66.4)	42.5 ± 7.3 (32.4 – 61.6)	47.1 ± 8.0 (33.6 – 66.4)	0.014**
Revisional surgery	73% (52)	82.1% (23)	64.4% (29)	0.104*

RYGB Roux-en-Y gastric bypass, OAGB one anastomosis gastric bypass, BMI body mass index, SD standard deviation

*Pearson Chi-square; **Independent T test