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Table 1 Comparison of patient characteristics between DBE and SBE groups

From: Comparison of double-balloon and single-balloon enteroscope for therapeutic endoscopic retrograde cholangiography after Roux-en-Y small bowel surgery

  DBE SBE  
Number of procedures: n = 30 n = 65 P-value
Male/female
 Number of patients*: 10/10 20/36 0.295
 Mean age years ± sem (range) 60 ± 3 (30–76) 56 ± 2 (19–89) 0.282
 ASA status (median) (range) 2 (2–4) 2 (2–4) 0.720
Type of Roux-en-Y (n)
 SA 24/30 32/65 0.007
 SP 2/30 13/65 0.133
 LP 4/30 20/65 0.080
  1. * Three patients underwent ERCP using both DBE and SBE, explaining the difference in total number of patients (n = 73) and the number of patients in the DBE (n = 20) and the SBE (n = 56) group. Statistical analysis was performed using Fisher’s Exact test (relative distribution), Student’s t test (parametric data) and Mann-Whitney U test (nonparametric data)