Table 2.

Risk factors for nausea and vomiting as assessed by Fine–Gray's proportional hazards model

	Univariate			Multivariate
	HR	95% CI	P‐value	HR	95% CI	P‐value
Sex (female)	1.95	1.10–3.45	0.023	2.08	1.18–3.65	0.011
Diabetic retinopathy	1.99	1.18–3.35	0.009	1.89	1.13–3.15	0.016
Treatment with PPIs or H2RAs	1.78	0.99–3.21	0.053	2.05	1.12–3.74	0.020

CI, confidence interval; HR, hazard ratio; H2RAs, histamine‐2 receptor antagonists; PPIs, proton pump inhibitors.