Table 2.
Anthropometric characteristics and body composition of patients preoperatively, two months and six months after bariatric surgery (n = 30–36).
| Preoperative |
After Surgery
(2 Months) |
After Surgery
(6 Months) |
||||||
| Mean ± SD | Mean ± SD | Mean ± SD | p Value | |||||
| Body weight (kg) | 119.5 a ± 22.0 | 98.8 b ± 16.4 | 87.0 c ± 17.9 | <0.001 | ||||
| Anthropometric Data | Fat mass (kg) | 60.2 a ± 14.2 | 44.7 b ± 12.0 | 31.9 c ± 12.9 | <0.001 | |||
| Waist circumference (cm) | 123 a ± 15.7 | 110 b ± 14.8 | 101 c ± 15.8 | <0.001 | ||||
| Waist-to-height ratio (cm/cm) | 0.75 a ± 0.09 | 0.67 b ± 0.09 | 0.59 c ± 0.07 | <0.001 | ||||
| Preoperative |
After Surgery
(2 Months) |
After Surgery
(6 Months) |
||||||
| n | % | n | % | n | % | |||
| BMI | Eutrophic (18.5 to 24.9 kg/m2) |
0 | 0 | 0 | 0 | 2 | 6.7 | |
| Overweight (25 to 29.9 kg/m2) |
0 | 0 | 1 | 2.8 | 9 | 30 | ||
| Class I obesity (30 to 34.9 kg/m2) |
0 | 0 | 17 | 47.2 | 12 | 40 | ||
| Class II obesity (35 to 39.9 kg/m2) |
9 | 25 | 10 | 27.8 | 3 | 10 | ||
| Class III obesity (≥40 kg/m2) |
27 | 75 | 8 | 22.2 | 4 | 13.3 | ||
| Fat mass loss | 10 kg or less | - | - | 7 | 19.4 | 1 | 3.3 | |
| 10.1 kg to 20 kg | - | - | 23 | 63.8 | 4 | 13.3 | ||
| 20.1 kg to 30 kg | - | - | 5 | 13.8 | 17 | 56.6 | ||
| 30.1 kg to 40 kg | - | - | 1 | 2.7 | 6 | 20.0 | ||
| 40.1 kg or more | - | - | 0 | 0.0 | 2 | 6.6 | ||
Values expressed as mean ± standard deviation of the mean (SD). One-way ANOVA followed by Bonferroni post-test; abc—different letters indicate differences between the means; significant if p < 0.05. Or values expressed in absolute and relative frequencies. n = absolute number of patients; % = percentage of patients. BMI: Body Mass Index.