Table 2.

Comparison of adverse events between antibiotic and control groups

	Antibiotic group (n = 107)	Control group (n = 107)	P value1
Clinical adverse events
Abdominal pain	3	16	0.002
Diarrhea	2	10	0.017
Hematochezia	4	6	0.517
Fever	1	9	0.010
Leukocytosis	2	12	0.006
Elevated CRP	2	8	0.050
Blood culture (+)	0	2	0.155
Hospital stay over 72 h	6	21	0.002

¹Fisher’s exact test. CRP: C-reactive protein.