Table 1.
Characteristics of the 16 participating maternity units during the baseline phase before the implementation of the OASI Care Bundle by region
| Number and characteristics of participating units | Unit size* | All singleton live births, n | Vaginal births | Caesarean sections | |||
|---|---|---|---|---|---|---|---|
| All vaginal births, n (% all births) | Forceps and vacuum births, n (% all vaginal) | Episiotomy, n (% all vaginal) | OASI, n (% all vaginal) | n (% all birth) | |||
| Region 1 | |||||||
| 2 OU + AMU | 1 small | 4494 | 3101 (69.0) | 657 (21.2) | 675 (21.8) | 96 (3.1) | 1393 (31.0) |
| 1 OU + FMU | 2 medium | ||||||
| 1 OU + AMU+FMU | 1 large | ||||||
| Region 2 | |||||||
| 1 OU | 2 medium | 7638 | 5401 (70.7) | 1106 (20.5) | 1402 (26.0) | 187 (3.5) | 2237 (29.3) |
| 2 OU + AMU | 2 large | ||||||
| 1 OU + AMU+FMU | |||||||
| Region 3 | |||||||
| 4 OU + AMU | 2 small | 9612 | 6093 (63.4) | 1385 (22.7) | 1288 (21.1) | 201 (3.3) | 3519 (36.6) |
| 1 medium | |||||||
| 1 large | |||||||
| Region 4 | |||||||
| 2 OU | 1 small | 18 731 | 13 073 (69.8) | 2514 (19.2) | 3569 (27.3) | 427 (3.3) | 5658 (30.2) |
| 2 OU + AMU | 1 medium | ||||||
| 2 large | |||||||
| All | 40 475 | 27 668 (68.4) | 5662 (20.5) | 6934 (25.1) | 911 (3.3) | 12 807 (31.6) | |
AMU, alongside midwifery unit; FMU, freestanding midwifery unit; OU, obstetric unit.
*
Small unit: <3500 vaginal births per year; Medium size unit: between 3500 and 5000 vaginal births; Large unit: >5000 vaginal births.