Table 3.
Association between PGT embryo transfer and male offspring by region of the country
| Male offspring | |||
|---|---|---|---|
| RR (95% CI)a | RR (99.4% CI)b | ||
| PGT versus non-PGT cleavage | p value for the interaction term P = 0.57 | ||
| Midwest | 1.02 (0.97, 1.08) | 1.02 (0.95, 1.10) | |
| Northeast | 1.04 (1.01, 1.08) | 1.04 (0.99, 1.10) | |
| South | 1.03 (0.99, 1.08) | 1.03 (0.97, 1.10) | |
| West | 1.08 (1.03, 1.14) | 1.08 (1.02, 1.16) | |
| PGT versus non-PGT blastocyst | |||
| Midwest | 1.00 (0.96, 1.04) | 1.00 (0.94, 1.06) | |
| Northeast | 1.01 (0.99, 1.04) | 1.01 (0.98, 1.05) | |
| South | 1.03 (1.00, 1.06) | 1.03 (0.99, 1.08) | |
| West | 1.04 (1.01, 1.07) | 1.04 (0.99, 1.08) | |
Model included parity, age, BMI, smoking status, race, number of oocytes retrieved, reporting year, and parity as covariates
(a) Post-hoc pairwise comparisons without multiple testing adjustment
(b) Post-hoc pairwise comparisons with Bonferroni adjustment