Two-week treatment with proton pump inhibitor is sufficient for healing post endoscopic submucosal dissection ulcers

Table 2 Clinical characteristics of artificial ulcer after endoscopic submucosal dissection treatment with rapid healing

Parameter	Healing area in healing stage		P value
	≥ 968.5 mm2 (n = 24)	< 968.5 mm2 (n = 24)
Age (yr)	72.6 ± 8.9	68.8 ± 9.0	NS1
Sex (male/female)	15/9	15/9	NS2
Location of tumors (upper/middle/lower third)	1/11/12	1/8/15	NS2
Helicobacter pylori infection (+/-/unknown)	17/5/2	16/8/0	NS2
Initial ulcer size (mm2)	1689.3 ± 835.7	633.5 ± 243.8	< 0.0013
Healing rate (%)	94.6 ± 4.5	94.0 ± 6.6	NS3
Treatment period (2 wk/4 wk)	7/17	13/11	NS2
Comorbidity
Diabetes (yes/no)	4/20	5/19	NS2
Hyperlipidemia (yes/no)	3/21	7/17	NS2
Hypertension (yes/no)	10/14	3/21	0.0492

¹Paired t-test;

²χ² test;

³Mann-Whitney U test. NS: No significance.