Table 2.
Anthropometric and biologic parameters at baseline, and at 6 and 12 months post-bariatric surgery
| M0 (n = 39) | M6 (n = 34) | M12 (n = 28) | |
|---|---|---|---|
| Body-mass index (kg/m2) | 45.4 ± 1.0 | 33.6 ± 0.8†† | 31.4 ± 0.9## |
| Excess weight loss (%) | 61.7 ± 3.0 | 70.2 ± 5.0 | |
| Fat-mass DEXA (%) | 53.5 ± 0.6 | 44.9 ± 1.2†† | 41.0 ± 1.5## |
| Nutritional parameters | |||
| Albumin (g/L) (n > 35 g/L) |
37.5 ± 0.5 | 37.4 ± 0.6 | 37.0 ± 0.3 |
| Transthyretin (g/L) (n > 0.21 g/L) |
0.241 ± 0.009 | 0.198 ± 0.007†† | 0.222 ± 0.008 |
| Vitamin D (nmol/L) (n > 75.0 nmol/L) |
49.2 ± 3.5 | 63.7 ± 4.8† | 64.7 ± 6.5# |
| Vitamin B9 (μg/L) (n > 4.6 μg/L) |
6.2 ± 0.5 | 9.9 ± 1.1† | 10.4 ± 1.2# |
| Vitamin B12 (ng/L) (n > 191 ng/L) |
428.0 ± 25.3 | 359.4 ± 26.4† | 351.7 ± 24.2# |
| Ferritin (μg/L) (n > 10 μg/L) |
58.3 ± 7.5 | 84.3 ± 13.2 | 44.2 ± 9.4# |
| Vitamin A (mg/L) (n > 0.41 mg/L) |
0.61 ± 0.03 | 0.49 ± 0.02†† | 0.47 ± 0.02# |
| Vitamin E (mg/L) (n > 8 mg/L) |
10.7 ± 0.3 | 11.1 ± 0.4 | 12.9 ± 2.7 |
| Selenium (μg/L) (n > 60 μg/L) |
61.9 ± 3.4 | 47.0 ± 2.8†† | 51.9 ± 1.8# |
| Zinc (μg/dL) (n > 60 μg/dL) |
72.6 ± 2.6 | 69.2 ± 1.8 | 71.9 ± 1.7 |
| Vitamin B1 (nmol/L) (n > 67 nmol/L) |
143.0 ± 8.9 | 124.9 ± 8.7 | 146.0 ± 6.0 |
| Nutritional deficiencies (n (%)) | |||
| 0–1 | 23 (58) | 7 (20) | 8 (28) |
| 2–3 | 12 (30) | 17 (50) | 15 (53) |
| ≥ 4 | 4 (12) | 10 (30) | 5 (17) |
| Metabolic parameters | |||
| HOMA-IR | 5.3 ± 0.7 | 1.5 ± 0.2†† | 1.5 ± 0.1## |
| Leptin (ng/mL) | 112.6 ± 7.2 | 47.0 ± 4.8†† | 44.3 ± 5.4## |
| Adiponectin (μg/mL) | 5.2 ± 0.4 | 8.6 ± 1.0†† | 9.1 ± 0.8## |
| AMH (pmol/L) | 13.4 ± 1.9 | 11.2 ± 2.3† | 10.5 ± 2.4# |
DEXA dual energy X-ray absorptiometry
††p = <0.001 M0–M6 comparison
†p < 0.05 M0–M6 comparison
##p < 0.001 M0–M12 comparison
#p < 0.05 M0–M12 comparison