Table 2.

Clinical outcomes of endoscopic mucosal resection in the 2 randomized groups (PP analysis).

	Antibiotic group	Control group	P value
Adverse events
Fever	2 (1.7%)	3 (2.4%)	1
Abdominal pain	12 (10.0%)	10 (7.9%)	.571
Bleeding*	10 (8.3%)	11 (8.7%)	.911
White blood cell count
Before surgery	6.01 ± 1.62	6.02 ± 1.77	.975
1 d after surgery	6.18 ± 1.39	6.38 ± 1.41	.266
3 d after surgery	5.77 ± 1.67	6.06 ± 1.99	.212
Erythrocyte sedimentation rate
Before surgery	12.08 ± 7.01	12.89 ± 6.68	.317
1 d after surgery	11.48 ± 10.18	11.10 ± 8.18	.741
3 d after surgery	10.06 ± 8.15	10.92 ± 8.46	.417
C-reactive protein
Before surgery	0.36 (0.36–0.36)	0.36 (0.36–0.36)	.372
1 d after surgery	0.36 (0.36–0.36)	0.36 (0.36–0.36)	.732
3 d after surgery	0.36 (0.36–0.36)	0.36 (0.36–0.36)	.357
Procalcitonin
Before surgery	0.025 (0.025–0.025)	0.025 (0.025–0.025)	1.000
1 d after surgery	0.025 (0.025–0.100)	0.025 (0.025–0.100)	.469
3 d after surgery	0.025 (0.025–0.025)	0.025 (0.025–0.025)	.324

^*Delayed bleeding was defined as bleeding symptoms or hemoglobin loss (≥ 2 g/dL) within 30 days after endoscopic mucosal resection, PP = per-protocol.