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Table 2 Secondary outcomes

From: The ED50 and ED95 of oxytocin infusion rate for maintaining uterine tone during elective caesarean delivery: a dose-finding study

 0 IU h− 11 IU h− 12 IU h− 13 IU h− 15 IU h− 18 IU h− 1P value
Estimated blood loss (ml)693 ± 426701 ± 394619 ± 322631 ± 404625 ± 472658 ± 3300.977
Intravenous crystalloid (ml)900 ± 210993 ± 283992 ± 2731004 ± 2961024 ± 255984 ± 2060.622
Hb in PACU (g dL− 1)10.7 ± 1.010.8 ± 1.310.5 ± 0.910.9 ± 1.110.8 ± 1.210.7 ± 0.90.864
HCT in PACU (%)32.4 ± 2.832.2 ± 3.831.7 ± 2.932.5 ± 3.131.9 ± 3.432.1 ± 2.50.956
Hb on postoperative day 1 (g dL− 1)11.5 ± 1.111.3 ± 1.511.3 ± 1.111.8 ± 1.311.1 ± 1.111.6 ± 1.00.354
HCT on postoperative day 1 (%)34.0 ± 3.033.3 ± 4.333.5 ± 3.034.7 ± 3.532.6 ± 2.934.2 ± 2.70.303
Rescue oxytocin required [n (%)]13 (52)12 (52)7 (29)4 (17) a3 (12)b2 (8)c0.000
Secondary uterotonic agents required [n (%)]6 (24)1 (4)1 (4)0 (0)d0 (0)e0 (0)f0.000
  1. Data are expressed as mean ± SD or n (%). Compared with 0 IU h–1 oxytocin infusion group, fewer patients in the 3, 5, and 8 IU h–1 oxytocin groups needed rescue oxytocin bolus (52% vs 17, 12, and 8%; aP = 0.012, b0.002, and c0.001, respectively) or secondary uterotonic agents (24% vs 0, 0, and 0%; dP = 0.023, e0.022, and f0.022, respectively). PACU postanesthetic care unit, Hb hemoglobin, HCT hematocrit