Retrospective Cohort Study
Copyright ©The Author(s) 2021.
World J Gastrointest Surg. Apr 27, 2021; 13(4): 355-365
Published online Apr 27, 2021. doi: 10.4240/wjgs.v13.i4.355
Table 3 Patient Demographics and fistula characteristics
Total patients operated = 740
Non-TB fistula (n = 627)
TB fistula (n = 113)
P value
Sex (M/F)545/8299/140.68
Age ± 2SD (yr)38.6 ± 11.339.4 ± 11.20.17
Follow-up: Median (Range) (mo)27 (2-75)34 (2-74)0.23
Multiple tracts, n (%)408 (65.1)86 (76.1)0.022a
Associated abscess, n (%)164 (26.2)55 (48.7)< 0.00001a
Horseshoe tract, n (%)133 (21.2)38 (33.6)0.0052a
Supralevator tract, n (%))94 (15.0)21 (18.6)0.32b
Recurrent fistula, n (%)328 (52.3)74 (65.5)0.0103a
Fistula grading (SJUH Classification) Grade, n (%)I- 85 (13.6)I-7 (6.2)0.0038a
II-96 (15.3)II-11 (9.7)
III-71 (11.3) III- 4 (3.5)
IV-281 (44.8)IV-70 (61.9)
V-94 (15.0)V-21 (18.6)
Fistula healing-after first surgery499/5561 (89.7)78/1022 (76.5)0.0005a
Reoperations (healed)25 (19)16 (12)0.0001a
Fistula healing-overall518/5561 (93.2)90/1022 (88.2)0.101b