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. 2016 Jul 7;22(25):5831–5836. doi: 10.3748/wjg.v22.i25.5831

Table 3.

Complications between the two groups

Group Study Control Total
Perforation 2 (5) 7 (14) 9 (10)
Late bleeding 0a 3 (6) 3 (3)
Total 2 (5)b 10 (20) 12 (13)

χ2 = 3.901,

a

P = 0.048 vs control; χ2 = 4.576,

b

P = 0.032 vs control.