|  |  | Models with only social-biological factors |  | Models with social-biological factors, characteristics of the delivery and obstetric interventions performed | |||||
---|---|---|---|---|---|---|---|---|---|---|
Subgroups | Â | Â | Number of infants with adverse perinatal outcome | Â | Number of infants with adverse perinatal outcome | Â | ||||
Referral | Induction/ augementation | Mode of deliverya | Observed | Expected with elimination of off-hours effect | Attributable to off-hours effect | PARa (in %) | Observed | Expected with elimination of off-hours effect | Attributable to off-hours effect | PARa (in %) |
Intrapartum and early neonatal mortality | Â | Â | Â | Â | Â | Â | Â | |||
Antepartum | No | Spont. / instr. | 187 | 188 | −1 | −0.4 | 187 | 186 | 1 | 0.3 |
Antepartum | No | Emergency CS | 88 | 60 | 28 | 32.2 | 88 | 60 | 28 | 32.3 |
Antepartum | Yes | All modes | 298 | 237 | 61 | 20.5 | 297 | 230 | 67 | 22.5 |
Intrapartum | No | Spont. / instr. | 112 | 108 | 4 | 3.2 | 112 | 109 | 3 | 2.5 |
Intrapartum | No | Emergency CS | 53 | 40 | 13 | 25.1 | 53 | 43 | 10 | 18.2 |
Intrapartum | Yes | All modes | 86 | 88 | −2 | −2.9 | 86 | 91 | −5 | −6.2 |
Total | Â | Â | 824 | 721 | 103 | 12.5 | 823 | 720 | 103 | 12.5 |
Apgar score 0-6 | Â | Â | Â | Â | Â | Â | Â | Â | Â | |
Antepartum | No | All modes | 1525 | 1466 | 59 | 3.9 | 1520 | 1432 | 88 | 5.8 |
Antepartum | Yes | Spontaneous | 1030 | 844 | 186 | 18.0 | 1027 | 888 | 139 | 13.5 |
Antepartum | Yes | Instrumental | 698 | 569 | 129 | 18.5 | 697 | 573 | 124 | 17.8 |
Antepartum | Yes | Emergency CS | 776 | 734 | 42 | 5.4 | 776 | 717 | 59 | 7.6 |
Intrapartum | No | Spont. / instr. | 688 | 689 | −1 | −0.1 | 688 | 684 | 4 | 0.5 |
Intrapartum | No | Emergency CS | 249 | 210 | 39 | 15.7 | 249 | 216 | 33 | 13.4 |
Intrapartum | Yes | All modes | 791 | 698 | 93 | 11.8 | 790 | 721 | 69 | 8.8 |
Total | Â | Â | 5757 | 5209 | 548 | 9.5 | 5747 | 5230 | 517 | 9.0 |
Adverse perinatal outcome (composite measure) | Â | Â | Â | Â | Â | Â | Â | |||
Antepartum | No | All modes | 5919 | 5892 | 27 | 0.4 | 5903 | 5844 | 59 | 1.0 |
Antepartum | Yes | Spontaneous | 3078 | 2746 | 332 | 10.8 | 3065 | 2783 | 282 | 9.2 |
Antepartum | Yes | Instrumental | 1394 | 1251 | 143 | 10.3 | 1387 | 1264 | 123 | 8.9 |
Antepartum | Yes | Emergency CS | 1553 | 1519 | 34 | 2.2 | 1553 | 1508 | 45 | 2.9 |
Intrapartum | No | Spont. / instr. | 1762 | 1733 | 29 | 1.7 | 1757 | 1712 | 45 | 2.6 |
Intrapartum | No | Emergency CS | 420 | 383 | 37 | 8.8 | 420 | 395 | 25 | 5.9 |
Intrapartum | Yes | All modes | 1465 | 1362 | 103 | 7.0 | 1464 | 1414 | 50 | 3.4 |
Total | Â | Â | 15591 | 14887 | 704 | 4.5 | 15549 | 14919 | 630 | 4.0 |