The perforation rate was 5.6% (8/142) in RE-treated patients compared with 1.4% (1/74) in those treated with FE, a difference that did not reach statistical significance ( P =0.135) ( Table 2 ).
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Therapeutic effect of esophageal foreign body extraction management: flexible versus rigid endoscopy in 216 adults of Beijing.
1
0.1350
0.1350