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. 2022 Jan 5;34(3):e1610. doi: 10.1590/0102-672020210003e1610

TABLE 5. Descriptive statistics of BMI according to groups 1 and 2.

Evaluation Group n BMI (kg/m2) p*
Mean ± standard deviation Median
(min-max)
Pre 1 8 38.2 ± 2.7 37.4
(35.3 - 43.5)
2 72 40 .0± 3.8 39.7
(31 - 52.5)
0.205
Post 1 to 6 m 1 8 30.9 ± 3.8 31.8
(24.6 - 36.3)
2 72 33.5 ± 4.4 33.7
(23.3 - 45.2)
0.116
Post 1 to 2 y 1 8 23.0 ± 1.7 22.9
(21 - 25.8)
2 72 26.4 ± 3.2 26.1
(19.6 - 38)
0.004
Reduction (pre - 1 to 6 m) 1 8 7.26 ± 3.83 7.45
(1.3 - 12.6)
2 72 6.50 ± 3.67 6.0
(-1.5 - 16.3)
0.578
Reduction (pre - 1 to 2 y) 1 8 15.2 ± 1.69 15.2
(11.9 - 17.7)
2 72 13.6 ± 3.56 13.4
(5.7 - 25.3)
0.043
Reduction (after 1 to 6 m - after 1 to 2 y) 1 8 7.91 ± 3.64 7.4
(2.4 - 14.2)
2 72 7.11 ± 3.65 7.25
(-1 - 16.8)
0.557

*Student’s t test for independent samples, p<0.05