True statement regarding 'Fistula in ano' is:
Intersphincteric fistula is the most common type of 'fistula in ano'. Ref: Bailey and Love's Sho Practice of Surgery, 25th Edition, Page 1263.
Posterior fistulae have straight tracks
High fistulae can be operated with no fear of incontinence
High and low divisions are made in relation to the pelvic floor
Intersphincteric is the most common type