Table 3.

BMI loss data used for meta-analysis

Study	N (at FU)	FU (months)	BMI baseline	SD	BMI loss	SD
Gastric banding
Perigastric technique
Abu-Abeid [27]	11	23	46.4	NR	14.3a	NR
Angrisani [30]	37	36	46.1	6.31	9.1b	4.2
Dolan [31]	9	24	42.6	6.7	12.3a	5.2
Holterman [14]	12	18	50	10	9.4a	5.4
Pars flaccida technique
Lennerz [35]	10	12	48.1	9.8	10.1a	9.1
Nadler [37]	47	12	47.6	7	15.2b	9.7
O’Brien [15]	24	24	42.3	6.1	12.7a	NR
Silberhumer [17]	48	36	45.2	7.6	12.7b	5.4
Silva [38]	12	36	46.1	11.8	12.8b	5.2
Yitzhak [18]	60	39.5	43	NR	13a	NR
Zitsman [40]	47	12	50 (M) 48.1 (F)	NR	6.7a	NR
Gastric bypass
De la Cruz-Munoz [41]	71	9-15	46.2	5.1	11.3b	5.7
Nijhawan [44]	20	85.8	45.7	NR	17.1a	NR
Olbers [22]	81	24	45.5	6.0	15.3b	6.0
Strauss [45]	10	68.8	52.4	10.1	16.2c	10.3
Sugerman [19]	20	60	52	11	19a	NR
Zeller [20]	14	24	59.9	8.7	21.1b	5.1
Sleeve gastrectomy
Aldaqal [23]	32	12	49.6	4.9	20.3	NR
Alqahtani [47]	76	6	49.6 (median)	11.5 (IQR)	14.3b	5.5
Boza [48]	34	24	38.5	3.7	12.2a	NR
Lennerz [35]	11	12	51.8	8.3	13.1a	8.2
Nadler [57]	13	6	52	9	10.5b	3.8

Male (M), female (F)

^aFrom manuscript

^bFrom author

^cCalculated from individual data