Table 3 Number of births and prevalence of amniotomy in different hospital categories between 1 January 2017 and 30 June 2020
From: Prevalence of amniotomy in Sweden: a nationwide register study
Prevalence, % | ||||||
|---|---|---|---|---|---|---|
Hospital category | Number of hospitals, n = 38 | Number of births, n | Totala, (lowest-highest) | p-valueb | Post-hoc testc | |
All births n = 330,913 | < 1000 births annually | 6 | 14,020 | 45.0 (39.3–55.5) | < 0.001 | ABCDEFG--- |
1000–1999 births annually | 7 | 31,058 | 41.3 (32.6–56.2) | |||
2000–2999 births annually | 9 | 63,921 | 40.3 (37.1–47.1) | |||
≥3000 births annually | 8 | 110,283 | 40.3 (32.3–49.1) | |||
University hospitals | 8 | 111,631 | 40.4 (38.0–45.0) | |||
All hospitals | 38 | 330,913 | 40.6 (32.3–56.2) | |||
Robson 1 and 3 n = 219,961 | < 1000 births annually | 6 | 9592 | 42.3 (36.1–56.8) | < 0.001 | ABCDEFG-IJ |
1000–1999 births annually | 7 | 21,263 | 38.6 (28.3–51.2) | |||
2000–2999 births annually | 9 | 43,294 | 36.2 (29.8–42.2) | |||
≥3000 births annually | 8 | 74,207 | 36.4 (27.3–45.7) | |||
University hospitals | 8 | 71,605 | 34.5 (28.9–46.6) | |||
All hospitals | 38 | 219,961 | 36.2 (27.3–56.8) | |||
Robson 1 n = 98,442 | < 1000 births annually | 6 | 4047 | 46.6 (41.4–61.8) | < 0.001 | ABCD--G--J |
1000–1999 births annually | 7 | 9272 | 41.9 (33.9–52.2) | |||
2000–2999 births annually | 9 | 19,005 | 40.6 (33.6–46.3) | |||
≥3000 births annually | 8 | 33,931 | 41.7 (33.8–46.9) | |||
University hospitals | 8 | 32,187 | 39.8 (33.6–46.9) | |||
All hospitals | 38 | 98,442 | 41.1 (33.6–61.8) | |||
Robson 3 n = 121,519 | < 1000 births annually | 6 | 5545 | 39.1 (31.9–53.1) | < 0.001 | ABCDEFG-IJ |
1000–1999 births annually | 7 | 11,991 | 36.0 (23.0–50.5) | |||
2000–2999 births annually | 9 | 24,289 | 32.7 (25.3–41.0) | |||
≥3000 births annually | 8 | 40,276 | 31.9 (20.8–44.7) | |||
University hospitals | 8 | 39,418 | 30.2 (24.6–45.1) | |||
All hospitals | 38 | 121,519 | 32.3 (20.8–53.1) |