Table I.
Descriptive characteristics of the patients in the exposed and non-exposed groups.
| Group 1 (bariatric surgery patients) | Group 2 (non-operated BMI-matched patients) | Group 3 (non-operated obese patients) | Between-group comparisons P-value | |
|---|---|---|---|---|
| (n = 83) | (n = 166) | (n = 83) | ||
| Age (y), mean ± SD | 33.1 ± 4.4 | 33.0 ± 4.4 | 32.8 ± 4.6 | 0.94 |
| Primary infertility (%) | 72.3 | 69.9 | 61.4 | 0.27 |
| Weight (kg), mean ± SD | 80.1 ± 14.4 | 78.7 ± 13.6 | 100.1 ±10.0 | <1/10^6a,c |
| BMI, kg/m2, mean ± SD | 28.9 ± 4.7 | 28.8 ± 4.5 | 37.7 ± 2.8 | <1/10^6a,c |
| Polycystic ovary syndrome (%) | 25.3 | 9.0 | 24.1 | 0.0007b,c |
| Origin of infertility (%) | 0.2512 | |||
| Ovulatory | 16.7 | 14.7 | 16.9 | |
| Tubal | 15.4 | 11.5 | 9.6 | |
| Male | 32.1 | 38.5 | 42.2 | |
| Idiopathic | 16.7 | 17.9 | 20.5 | |
| Endometriosis | 2.6 | 8.3 | 1.2 | |
| Mixed | 16.7 | 9.0 | 9.6 | |
| Anti-Müllerian Hormone level (ng/ml), mean ± SD | 4.6 ± 5.4 | 3.3 ± 2.4 | 3.9 ± 4.0 | 0.08 |
| Antral Follicule Count, mean ± SD | 17.1 ± 11.5 | 13.9 ± 9.9 | 19.7 ± 12.1 | 0.0008c |
| Female smokers (%) | 25.3 | 24.1 | 15.7 | 0.240 |
Chi² test was applied for comparing qualitative variables and ANOVA for quantitative variables.
a
Comparing Group 1 to Group 3;
b
comparing Group 1 to Group 2;
c
comparing Group 2 to Group 3.