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Table 2 Comparison of incidence and episodes of hypotension between the three groups

From: Minimal effective weight-based dosing of ondansetron to reduce hypotension in cesarean section under spinal anesthesia: a randomized controlled superiority trial

Parameter

Normal saline (n = 72)

Ondansetron 0.05 mg/kg

(n = 71)

Ondansetron 0.1 mg/kg

(n = 72)

P-value

Total incidence,

n (%)

59 (81.9)

60 (84.5)

53 (73.6)

0.23

 (95% CI)

(73.1–90.8)

(76.1–92.9)

(63.4–83.8)

 

Episodes, median (IQR)

2 (0–4.0)

3 (0.5–5.0)

1 (0–3.2)

0.07

Before delivery

 Incidence,

  n (%)

57 (79.2)

59 (83.1)

50 (69.4)

0.13

  (95% CI)

(69.8–88.5)

(74.4–91.8)

(58.8–80.1)

 

Episodes, median (IQR)

2 (1–6.0)a

5 (1.5–8.0)b

2 (0–5.0)ac

0.015

After delivery

 Total incidence,

  n (%)

37 (52.1)

41 (57.7)

39 (54.9)

0.80

  (95% CI)

(40.5–63.7)

(46.3–69.2)

(43.4–66.5)

 

Episodes, median (IQR)

0 (0–2.0)

1 (0–3.0)

1 (0–1.5)

0.64

  1. IQR interquartile range, CI confidence interval
  2. acGroups sharing the same superscript were not significantly different, bGroup was significantly different compared to the others