Table 4 Cumulative live birth of women stratified according to female age and AFC after propensity score matching
Subgroup | Before propensity score matching | Subgroup | After propensity score matching | ||||||
|---|---|---|---|---|---|---|---|---|---|
Growth hormone (n = 1326) | Control (n = 1717) | Growth hormone vs control RR (95%CI) | P for interaction | Growth hormone (n = 694) | Control (n = 694) | Growth hormone vs control RR | P for interaction | ||
Female age | 0.57 | Female age | 0.93 | ||||||
Quartile 1 (21–29) | 181 (48.9%) | 111 (32.8%) | 1.5 (1.3, 1.8) | Quartile 1 (23–29) | 76 (47.2%) | 59 (36.6%) | 1.5 (1.0, 2.4) | ||
Quartile 2 (30–32) | 145 (36.9%) | 103 (27.0%) | 1.4 (1.1, 1.7) | Quartile 2 (30–31) | 56 (38.6%) | 47 (32.4%) | 1.3 (0.8, 2.1) | ||
Quartile 3 (33–36) | 131 (38.2%) | 117 (28.1%) | 1.4 (1.1, 1.7) | Quartile 3 (32–35) | 71 (35.5%) | 54 (27.0%) | 1.5 (1.0, 2.3) | ||
Quartile 4 (> 36) | 42 (19.1%) | 59 (10.2%) | 1.9 (1.3, 2.8) | Quartile 4 (> 35) | 38 (20.2%) | 31 (16.5%) | 1.3 (0.8, 2.2) | ||
AFC | 0.31 | AFC | 0.14 | ||||||
Quartile 1 (1–3) | 19 (19.4%) | 59 (11.6%) | 1.7 (1.0, 2.6) | Quartile 1 (1–4) | 32 (21.1%) | 20 (13.2%) | 1.8 (1.0, 3.2) | ||
Quartile 2 (4–6) | 90 (30.5%) | 107 (20.2%) | 1.5 (1.2, 1.9) | Quartile 2 (5–6) | 48 (32.2%) | 29 (19.5%) | 2.0 (1.2, 3.3) | ||
Quartile 3 (7–10) | 123 (33.2%) | 108 (29.8%) | 1.1 (0.9, 1.4) | Quartile 3 (7–10) | 73 (34.4%) | 74 (34.9%) | 1.0 (0.7, 1.5) | ||
Quartile 4 (> 10) | 267 (47.4%) | 116 (36.7%) | 1.3 (1.1, 1.5) | Quartile 4 (> 10) | 88 (48.6%) | 68 (37.6%) | 1.6 (1.0, 2.4) | ||