Self-made wire loop snare successfully treats gastric persimmon stone under endoscopy

Table 1 Clinical and upper endoscopic characteristics of patients

Variable	Observational group, n = 23	Control group, n = 15	Stats	P value
Male sex	17 (73.9)	10 (66.7)	0.013	0.91
Median age (yr), mean (range)	63 (31–79)	58 (22–61)	2.30	0.49
Main complaint
Epigastric pain	23 (100)	14 (93.3)	0.048	0.83
Distention	12 (52.1)	8 (53.3)	0.005	0.94
Vomiting	5 (21.7)	3 (20.0)	0.017	0.90
Melena	2 (8.7)	2 (13.3)	0.203	0.65
Comorbidity
Hypertension	21 (91.3)	11 (73.3)	1.061	0.30
Diabetes mellitus	6 (26.1)	2 (13.3)	0.287	0.59
Coronary heart disease	8 (34.8)	2 (13.3)	1.190	0.28
History of partial gastrectomy	3 (13.0)	1 (6.7)	0.007	0.93
Gastric phytobezoars location			1.022	0.80
Funds	4 (17.4)	3 (20.0)	–	–
Body	11 (47.8)	9 (60.0)	–	–
Antrum	5 (21.7)	2 (13.3)	–	–
Gastric remnant	3 (13.0)	1 (6.7)	–	–
Phytobezoar longest diameter in cm, mean ± SD (range)	5.6 ± 1.7 (4–9)	5.5 ± 1.4 (4–8)	0.190	0.721
Other endoscopic findings			0.394	0.941
Gastric ulcer	18 (78.3)	11 (73.3)	–	–
Duodenal ulcer	2 (8.7)	1 (6.7)	–	–
Reflux esophagitis	2 (8.7)	1 (6.7)	–	–
Other1	3 (13.0)	3 (20)	–	–
Number of passes			36.212	< 0.001
1	20	1	–	–
2	3	2	–	–
3	0	7	–	–
4	0	4	–	–
5	0	1	–	–
Operating time in min	53.4 ± 7.2	172.8 ± 13.5	35.536	< 0.001
Hospital stay in d	5.4 ± 1.2	10.3 ± 1.8	10.095	< 0.001

¹Pyloric obstruction, gastric cancer. Data are n (%) or mean ± SD, unless indicated otherwise.