Table 1. Comparison of preoperative and postoperative patient data.

Pz	Età	Peso	BMI	BMI rif	PI	EW	Peso	BMI	BMI rif	PI	EW	% EWL
1	11 aa 3 m	75	33.78	20.55	45.62	29.38	69.5	31.3	20.89	46.37	23.13	21.27
2	17 aa 2 m	94.5	34.7	24.7	67.24	26.26	88.5	32.51	24.85	67.65	20.85	23.51
3	16 aa 1 m	134.5	48	23.9	66.65	67.85	138	49.48	24.19	67.76	70.24	–3.52
4	15 aa 2 m	110	42.53	23.94	65.17	44.83	109	40.04	24.17	65.8	43.2	3.63
5	12 aa 10 m	130	49.54	21.91	57.5	72.5	120	45.72	22.27	58.44	61.56	15.08
6	11 aa 4 m	91.6	39.13	20.89	48.9	42.7	85.9	36.7	21.22	49.67	36.23	15.15
7	14 aa 7 m	103	34.61	22.96	68.32	34.68	95	31.93	23.29	70.51	24.49	29.38
8	16 aa 4 m	110	39.44	24.54	68.43	41.57	109.5	39.26	24.54	68.43	41.07	1.2
9	14 aa 1 m	106	37.56	23.34	65.87	40.13	102	36.1	23.66	66.77	32.23	12.21
10	13 aa	89.5	35.85	22.58	56.36	33.14	80	32	22.98	57.36	22.64	31.68
11	9 aa 11 m	85.5	38	19.86	44.68	40.82	82	36.4	20.29	45.65	36.35	10.95
12	13 aa 1 m	86	34.45	22.58	56.36	29.64	78	31.24	22.98	57.36	20.64	30.36
13	14 aa 4 m	78	30.09	23.44	60.49	9.51	61	23.53	23.66	61.32	0.32	96.63
14	16 aa 4 m	78	31.64	24.54	60.48	17.52	66	26.8	24.54	61.26	4.74	72.94
15	12 aa 5 m	75	30.04	21.56	53.82	21.18	62.5	25.04	21.91	54.69	7.81	63.12
16	11 a 10 m	86	30.11	20.74	59.23	26.77	81	28.36	20.74	59.23	21.77	18.67

BMI, body mass index; BMI Rif, body mass index corrected per age; IW, ideal weight; EW, excess weight