. 2021 May 21;54(1):24–31. doi: 10.1111/apt.16404

TABLE 5.

Number of episodes of vomiting 24 and 48 h after the first dose of treatment (secondary outcome, per‐protocol analysis)

	24 h after the first dose of treatment	48 h after the first dose of treatment
Number of episodes of vomiting—placebo	2.03 [1.67 to 2.39]	1.18 [0.85 to 1.52]
Number of episodes of vomiting—ginger	1.49 [1.12 to 1.86]	0.54 [0.33 to 0.75]
Difference in the number of episodes of vomiting (ginger‐placebo)	−0.54 [−1.13 to 0.05] ^a P = 0.08 (Wald) ^b	−0.64 [−1.09 to −0.19] ^a P = 0.003 (Wald) ^a

24 h after the first dose of treatment

48 h after the first dose of treatment

Number of episodes of vomiting—placebo

2.03 [1.67 to 2.39]

1.18 [0.85 to 1.52]

Number of episodes of vomiting—ginger

1.49 [1.12 to 1.86]

0.54 [0.33 to 0.75]

Difference in the number of episodes of vomiting (ginger‐placebo)

−0.54 [−1.13 to 0.05] ^a

P = 0.08 (Wald) ^b

−0.64 [−1.09 to −0.19] ^a

P = 0.003 (Wald) ^a

Values are means and 95% confidence intervals (in square brackets) calculated from negative binomial regression.

^{^a}

Bonferroni's corrected 95% confidence interval (correction for two comparisons).

^{^b}

Bonferroni's corrected P value (correction for two comparisons).