| All hospital admissions | First hospital admission | |||
|---|---|---|---|---|
| ART cohort | O (E) | SAR# (95% CI) | O (E) | SAR# (95% CI) |
| All ART children | 1378 (1795.3) | 77 (73, 81) | 634 (855.3) | 74 (68, 80) |
| Type of ART -IVF treatment -ICSI treatment | 928 (1141.7) 450 (653.6) | 81 (76, 87) 69 (62, 75)* | 413 (542.0) 221 (313.3) | 76 (69, 84) 71 (61, 80) |
| Type of embryo transfer -Fresh embryo transfer -Frozen embryo transfer | 1153 (1458.5) 225 (336.8) | 79 (74, 84) 67 (58, 76)* | 512 (697.6) 122 (157.7) | 73 (67, 80) 77 (64, 91) |
| Plurality -Singleton -Different-sex twins -Twins | 888 (1172.7) 189 (293.4) 472 (599.3) | 76 (71, 81) 64 (55, 74)* 79 (72, 86) | 425 (558.1) 113 (139.6) 200 (286.6) | 76 (69, 83) 81 (66, 96) 70 (60, 79) |
| Gender -Male -Female | 753 (1009.0) 625 (781.7) | 75 (69, 80) 80 (74, 86) | 357 (463.4) 277 (390.3) | 77 (69, 85) 71 (63, 79) |