Table 1 Patient demographics and intraoperative characteristics

From: The effect of intravenous dexamethasone on postoperative nausea and vomiting after Cesarean delivery with intrathecal morphine: a randomized-controlled trialEffet de la dexaméthasone intraveineuse sur les nausées et vomissements postopératoires après un accouchement par césarienne avec morphine intrathécale : un essai randomisé contrôlé

 Placebo group
(n = 53)
Dexamethasone group
(n = 55)
Age, (yr) (SD)35.7 (3.7)35.4 (5.2)
BMI, (kg·m−2) [IQR]26.8 [24.8–30.2]27.7 [25.8–31.6]
Gestational age, (weeks) [IQR]39.1 [39–39.3]39.1 [39–39.4]
Primary Cesarean delivery, n (%)17 (32%)26 (47%)
History of PONV or motion sickness, n (%)6 (11.3%)8 (14.5%)
History of current tobacco use, n (%)0 (0%)0 (0%)
Baseline heart rate, (beats·min−1) [IQR]81 [74–94]86 [75–95]
Duration between administration of study drug and intrathecal morphine, (min) [IQR]22 [13–35]22 [17–32]
Duration between administration of study drug to end of procedure, (min) [IQR]75 [63–101]80 [68–93]
Total operative time, (min) [IQR]42 [34–51]45 [33–53]
Intrathecal bupivacaine administered, (mg) [IQR]12 [12–12]12 [12–12]
Patients receiving intraoperative ondansetron, n (%)14 (26.4%)24 (43.6%)
Intraoperative nausea or vomiting, n (%)14 (26.4%)24 (43.6%)
Total intraoperative vasopressor dose, (in µg of phenylephrine)* [IQR]560 [320–1080]480 [120–1080]
Mean of three lowest recorded intraoperative systolic blood pressures, (mmHg) (SD)95.6 (12.3)93.3 (13.0)
Total oxytocin administered, (U) [IQR]20 [16–20]20 [14–20]
Estimated blood loss, (mL) [IQR]800 [800–800]800 [800–800]
Total crystalloid fluid input (mL) (SD)1852 (652)1865 (526)
Ketorolac administered intraoperatively, n (%)11 (20.8%)13 (23.6%)
  1. Number (%) and medians [interquartile range] reported, as appropriate.
  2. *For total intraoperative vasopressor dose, 1 mg of ephedrine was considered equivalent to 16 µg of phenylephrine.
  3. BMI = body mass index; IQR = interquartile range; PONV = postoperative nausea and vomiting; SD = standard deviation.