Table 1.

Showing loss of grades of BMI in the patients in 3, 6 and 12 months after the operation.

Number of Patients	BMI, before surgery	BMI, 3 months after the operation	BMI, 6 months after the operation	BMI, 12 months after the operation
20	41.5 ± 1.5	35.75 ± 0.75	33.5 ± 0.50	31.5 ± 0.50
8	44.5 ± 0.5	35.50 ± 1.50	33.5 ± 1.50	32.0 ± 1.00
7	47.0 ± 1.0	38.25 ± 0.25	35.0 ± 1.00	34.0 ± 1.00
5	49.5 ± 0.5	40.00 ± 1.00	37.0 ± 1.00	36.5 ± 1.50

Note: Half of the patients lost (5.70 ± 1.12 kg/m²) of their BMI in 3,6 and 12 months respectively.