Retrospective Cohort Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Mar 14, 2017; 23(10): 1843-1850
Published online Mar 14, 2017. doi: 10.3748/wjg.v23.i10.1843
Table 2 Clinical outcomes and histopathological results n (%)
HO group (n = 34)HK group (n = 49)P value
Procedure time, min (range)57.2 ± 28.0(30-150)41.3 ± 20.3 (15-120)0.004b
Frequency of device exchange, n (range)3.3 ± 0.6 (2-5)1.4 ± 0.6 (1-3)0.000b
Frequency of coagulation forceps use, n (range)0.2 ± 0.4 (0-1)0.2 ± 0.4 (0-1)0.625
Tumor size, mm (range)19.7 ± 7.2 (10-40)19.3 ± 7.5 (8-40)0.813
No. of tumors based on size (mm)
≤ 2026 (76.5)36 (73.5)
> 208 (23.5)13 (26.5)0.757
Histopathological diagnosis
Leiomyoma27 (79.4)42 (85.7)
Gastrointestinal stromal tumor6 (17.6)7 (14.3)
Lipoma1 (2.9)0 (0)0.363
En bloc resection32 (94.1)49 (100)0.165
Complete resection32 (94.1)49 (100)0.165
Complications
Perforation2 (5.9)2 (4.1)
Bleeding1 (2.9)0 (0)
Subcutaneous emphysema1 (2.9)2 (4.1)0.568
Hospital stay, days (range)5.6 ± 1.4 (3-10)5.8 ± 1.5 (3-10)0.501
Mean follow-up time, months (range)27.2 ± 6.4 (18.9-41.4)25.5 ± 4.0 (20.6-39.7)0.175
Recurrence rate, %001.000