Labour outcomes stratified in the TGCS groups 1–5
| Acceleration with oxytocin (%) | Epidural in labour (%) | Postpartum haemorrhage >1000 mL (%) | Transfusions (%) | |||||||||
| SUH | NMH | SLO | SUH | NMH | SLO | SUH | NMH | SLO | SUH | NMH | SLO | |
| Group 1 | 33.2 | 53.2 | 69.1 | 43.7 | 73.7 | 4.2 | 4.5 | 1.0 | x | 2.6 | 1.5 | 0.2 |
| Group 2a | 68.3 | 69.0 | 79.4 | 71.8 | 76.1 | 5.3 | 9.9 | 3.1 | x | 2.2 | 3.1 | 0.2 |
| Group 2b | NA | NA | NA | NA | NA | NA | 17.6 | 1.1 | x | 2.0 | x | 0.4 |
| Group 3 | 6.7 | 4.0 | 43.5 | 19.2 | 34.9 | 1.2 | 2.5 | 0.5 | x | 2.8 | 0.7 | 0.1 |
| Group 4a | 46.9 | 25.0 | 68.5 | 44.7 | 48.2 | 2.6 | 4.1 | 1.1 | x | 3.0 | 1.0 | 0.3 |
| Group 4b | NA | NA | NA | NA | NA | NA | 5.6 | 4.8 | x | 1.6 | x | 0.6 |
| Group 5 | 12.7 | 9.0 | 23.0 | 39.8 | 31.7 | 1.5 | 5.7 | 1.6 | x | 1.8 | 2.0 | 0.2 |
x, missing data; NA, not applicable; NMH, National Maternity Hospital 2011; SLO, Slovenian National Perinatal Database 2007–2011; SUH, Stavanger University Hospital 2010–2011; TGCS, 10-Group Classification System.