Table 4. Results of multivariate analysis for significant factors affecting the frequency of adverse drug reaction.

Variable	Description	Parameter estimate	Standard error	p-value	Odds ratio	95% confidence interval
						Lower	Upper
Age	1 year	0.0720	0.0214	0.0008	1.075	1.030	1.121
Concomitant disease	yes	0.3030	0.2725	0.2662	1.354	0.794	2.310

Analysis with log odds regression models.