From: Prevalence of amniotomy in Sweden: a nationwide register study
2017 | 2018 | 2019 | 2020a | p-valueb | Post-hoc testc | ||
---|---|---|---|---|---|---|---|
All births, | Number of births, n | 94,642 | 94,958 | 93,604 | 47,709 | ||
n = 330,913 | Amniotomy, n (%) | 38,612 (40.8) | 38,880 (40.9) | 37,560 (40.1) | 19,441 (40.7) | 0.678 | |
Robson group 1 and 3, | Number of births, n | 64,615 | 64,042 | 61,528 | 29,776 | ||
n = 219,961 | Amniotomy, n (%) | 24,200 (37.5) | 23,518 (36.7) | 21,788 (35.4) | 10,147 (34.1) | < 0.001 | ABCDEF |
Robson group 1, | Number of births, n | 28,888 | 28,935 | 27,529 | 13,090 | ||
n = 98,442 | Amniotomy, n (%) | 12,163 (42.1) | 11,989 (41.4) | 11,099 (40.3) | 5186 (39.6) | < 0.001 | -BCDE- |
Robson group 3, | Number of births, n | 35,727 | 35,107 | 33,999 | 16,686 | ||
n = 121,519 | Amniotomy, n (%) | 12,037 (33.7) | 11,529 (32.8) | 10,689 (31.4) | 4961 (29.7) | < 0.001 | -BCDEF |