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Table 2 Labour outcomes in caseload midwifery and standard care

From: Labour outcomes in caseload midwifery and standard care: a register-based cohort study

  Caseload Midwifery Standard Care Crude OR (95% CI) Adjusted ORa (95% CI)
All deliveries = 13,115 n = 2679
% (n)
n = 10,436
% (n)
  
Elective Cesarean Section n = 1020 8.4 (225) 7.6 (795) 1.11 (0.95;1.30) 1.02 (0.86;1.21)
Planned vaginal birth n = 12,095 n = 2454
% (n)
n = 9641
% (n)
Crude OR (95% CI) Adjusted ORa (95% CI)
Birth< 32 weeks 0.7 (17) 1.0 (98) 0.68 (0.41;1.14) 0.71 (0.40;1.24)
Births< 37 weeks 6.9 (168) 6.6 (639) 1.04 (0.87;1.23) 1.10 (0.89;1.36)
Induction 26.0 (639) 25.8 (2484) 1.01 (0.92;1.12) 0.99 (0.88;1.12)
Cervix≤4 cm on arrival 70.1 (520) 73.0 (2572) 0.87 (0.73;1.03) 0.96 (0.80;1.16)
Augmentation (syntocinon) 22.1 (542) 21.8 (2106) 1.01 (0.91;1.13) 1.20 (1.06;1.35)
Amniotomy 21.5 (528) 21.5 (2070) 1.00 (0.90;1.12) 1.05 (0.94;1.17)
Epidural (vaginal birth) 24.4 (599) 26.2 (2523) 0.91 (0.82;1.01) 0.97 (0.86;1.08)
Emergency CS 16.5 (405) 14.5 (1393) 1.17 (1.04;1.32) 1.17 (1.03;1.34)
Instrumental delivery 5.8 (142) 6.5 (631) 0.88 (0.73;1.06) 1.01 (0.83;1.23)
Labour length ≤ 10 h 72.8 (1704) 65.6 (6079) 1.41 (1.27;1.56) 1.26 (1.13;1.42)
No laceration 65.8 (1615) 59.8 (5766) 1.29 (1.18;1.42) 1.17 (1.06;1.29)
Laceration 1 or 2 32.1 (788) 37.7 (3635) 0.78 (0.71;0.86) 0.86 (0.77;0.95)
Laceration 3 or 4 2.3 (57) 2.9 (276) 0.81 (0.60;1.08) 1.00 (0.74;1.36)
Apgar≤7 1 min 6.8 (167) 5.4 (518) 1.29 (1.07;1.54) 1.32 (1.09;1.60)
Apgar≤7 5 min 2.0 (48) 1.3 (124) 1.53 (1.09;2.14) 1.57 (1.11;2.23)
Umb.ven.pH ≤ 7.05 0.5 (11) 0.5 (43) 1.01 (0.52;1.95) 1.02 (0.50;2.07)
Umb.art.pH ≤ 7.05 1.6 (40) 1.5 (145) 1.09 (0.76;1.54) 1.21 (0.84;1.75)
Transfer to NCU 6.2 (151) 5.5 (533) 1.12 (0.93;1.35) 1.20 (0.97;1.47)
Early discharge 33.0 (809) 30.2 (2908) 1.14 (1.04;1.25) 1.03 (0.91;1.16)
  1. aAdjusted for maternal age, parity, maternal pre-pregnancy BMI, birth weight, smoking habits, need for interpreter, maternity unit, and birth year. We also controlled for pre-pregnancy risks which included: previous IUGR, caesarean sections, and preterm births. And complications during pregnancy which included: malformations; alcohol or drug abuse; IVF; primiparous< 20; preeclampsia; hypertension; diabetes; premature contractions < 37 weeks of gestation; vaginal bleeding < 37 weeks of gestation; placental abnormalities; uterine abnormalities, and blood type incompatibilities (Rh, ABO, platelets, hydrops foetalis, and other kinds of blood type incompatibilities)