Number of fistula Frequency Percent Valid >3 9 0.06 1 14636 92.98 2 884 5.62 3 91 0.58 None 3 0.02 Missing 118 0.74 Errors/noises 0 0.00 Total 15741 100.00

Table 9: Summary Statistics for number of fistula repaired as presented in AAFH database.