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Table 2 Diagnostic accuracy of pre- and peri-operative examinations for fistula presence in boys born with ARM with final classification during PSARP. n = numbers, (%) = percent

From: Accuracy of pre-operative fistula diagnostics in anorectal malformations

  Fistulaa
n = 31
No fistula
n = 7
Diagnostic accuracyb
Symptoms 14 (45) 0 21/38 (55)
 Stool colored urine 8 (26) -  
 UTI 5 (16) -  
 Urine in colostomy 5 (16) -  
VCUG 29 7 23/36 (64)
Visible fistula 16 (55) 0  
Colostogram 28 7 25/35 (71)
Visible fistula 18 (64) 0  
Cystoscopy 19 1 14/20 (70)
Visible fistula 13 (68) 0  
Ostomy endoscopy 19 5 22/24 (92)
Visible fistula 17 (89) 0  
 Guide wire used 11 (58) -  
  1. Values presented as the absolute number and percentage of patients, n (%)
  2. ARM anorectal malformations, PSARP posterior sagittal anorectal plasty, UTI urinary tract infection, VCUG voiding cystourethrogram
  3. aRecto-bulbar fistula n = 8, recto-prostatic fistula n = 17, and recto-bladder neck fistula n = 6
  4. bDiagnostic accuracy (%) = (true positive cases + true negative cases) / all evaluated cases