Stools <3 per week Digital facilitation evacuation difficulties or  incomplete evacuation Asymptomatic patients before and after surgery 38 26 15 Symptomatic patients before surgery 20 32 43 improved 14 25 30 identical 6 7 13 aggraved 0 0 0 De novo symptomatic patients 0 0 0

Table 1: Incidence of obstructed defecaetion before and after surgery. In this table, we retrospectively analysed each symptom, before and after surgery, to assess their improvement or worsening.