Oral esomeprazole vs injectable omeprazole for the prevention of hemorrhage after endoscopic submucosal dissection

Table 3 Background characteristics of the patients according to the treatment group after the propensity score matching

	EPZ group	OPZ group	P value
Number	65	65
Age (yr)	75.2 ± 7.3	75.0 ± 7.5	0.9
Gender (M/F)	46/19	44/21	0.85
Antiplatelet/anticoagulant drugs (-/+)	46/19	44/21	0.85
Hypertension (-/+)	37/28	33/32	0.6
Diabetes Mellitus (-/+)	Aug-57	Dec-53	0.47
H. pylori infection (-/+)	26/39	23/42	0.72
Location (U/M/L)	5/33/27	10/24/31	0.19
Depth (m/sm)	Sep-56	Jun-59	0.58
Ulcer (-/+)	65/0	65/0	0
Diameter of the lesion (mm)	41.9 ± 18.5	39.6 ± 12.1	0.4
Duration of the operation (min)	110.6 ± 85.7	102.0 ± 54.9	0.5
Macroscopic type of the lesion (elevated or flat/combined/depressed)	42/14/9	10/8/1947	0.6
Pathological findings (Adenoma/Differentiated ca/Undifferentiated ca)	26/37/2	29/35/1	0.76
Lymphatic/venous invasion (-/+)	Jan-64	Feb-63	≥ 0.99
Anastomosis (-/+)	Mar-62	Mar-62	≥ 0.99
Operator type (expert/beginner)	29/36	27/38	0.86
Bleeding during ESD (good/poor control)	51/14	49/16	0.84
Hemorrhage after ESD (-/+)	Oct-55	Nov-54	≥ 0.99
Clinically significant bleeding (-/+)	Apr-61	Mar-62	≥ 0.99

P value calculated by the χ² test (Fisher’s exact test or Pearson’s test). EPZ: Esomeprazole; OPZ: Omeprazole; ESD: Endoscopic submucosal dissection.