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Table 2 Maternal, obstetric and neonatal data in relation to the mean cumulative oxytocin dose, maximum oxytocin dose and interval in induction and augmentation groups

From: Oxytocin administration for induction and augmentation of labour in polish maternity units – an observational study

  Induction
N = 363
Augmentation
N = 182
n (%) Cumulative dose (mU) (mean ± SD) Maximum dose (mU/min)
(mean ± SD)
Interval (min)
(mean ± SD)
n (%) Cumulative dose (mU) (mean ± SD) Maximum dose (mU/min)
(mean ± SD)
Interval (min)
(mean ± SD)
Age (years)
≤24 19 (5) 3276 (±2297) 15.49 (±8.84) 55 (±30) 17 (9) 2524 (±1490) 15.59 (±9.29) 48 (±41)
25–34 250 (69) 4702 (±3128) 19.42 (±8.97) 62 (±38) 134 (74) 2461 (±2086) 15.77 (±8.23) 34 (±22)
≥ 35 94 (26) 3859 (±4423) 17.45 (±9.85) 56 (±34) 31 (17) 1875 (±1649) 14.97 (±9.55) 30 (±25)
Gestational age (weeks)
37–39 217 (60) 4519 (±3138) 19,29 (±9.40) 57 (±38) 77 (42) 2208 (±1778) 14.40 (±7.67) 33 (±21)
> 40 146 (40) 4246 (±3975) 17,84 (±8.98) 59 (±45) 105 (58) 2482 (±2106) 16.50 (±9,03) 35 (±25)
Parity
nulliparous 243 (67) 5108 (±3237) 20,61 (±9.68) 65 (±42) 132 (73) 2704 (±2078) 16,85 (±8,37) 34 (±23)
multiparous 120 (33) 3017 (±3592) 14,91 (±9.95) 44 (±35) 50 (27) 1474 (±1314) 12,35(±8,09) 35 (±29)
Type of delivery
Vaginal delivery 295 (81) 4267 (±3350) 18,96 (±9.21) 58 (±42) 161 (88) 2394 (±1941) 15,85 (±8,43) 34 (±21)
Cesarean sections 68 (19) 5010 (±4033) 17,61 (±9.43) 57 (±39) 21 (12) 2154 (±2247) 13,82 (±9.21) 34 (±25)
Postpartum hemorrhage (ml)a
< 300 86 (29) 3686 (±2436) 13,36 (±7.07) 53 (±39) 45 (28) 1959 (±1605) 13,36 (±7.07) 29 (±20)
301–500 198 (67) 4483 (±3709) 16,74 (±8.84) 62 (±41) 109 (68) 2474 (±2014) 16,74 (±8.84) 37 (±27)
> 501 11 (4) 4891 (±2049) 17,00 (±7.07) 60 (±49) 7 (4) 3800 (±2070) 17,00 (±7.07) 40 (±21)
Epidural
Yes 171 (47) 5132 (±4022) 20,27 (±9.64) 60 (±43) 114 (63) 2530 (±1890) 16,87 (±8.62) 33 (±23)
No 192 (53) 3754 (±2796) 17,29 (±8.67) 56 (±39) 68 (37) 2091 (±2090) 13,50 (±7.95) 35 (±27)
Birth weight (g)
< 4000 337 (93) 4351 (±3532) 18,62 (±9.34) 56 (±38) 164 (90) 2284 (±1820) 15,26 (±8.34) 35 (±26)
≥4000 26 (7) 5188 (±2936) 19,85 (±7.96) 80 (±67) 18 (10) 3165 (±3059) 19,00 (±9.65) 29 (±13)
  1. a only vaginal deliveries were included