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Table 4 Demographics and overall response to treatment

From: Trans-anal irrigation therapy to treat adult chronic functional constipation: systematic review and meta-analysis

Study Patients with Chronic Constipation (n) Average age (Years) Male:Female Positive response n(%) Time to assessment (Months (range)) Duration of therapy (Months (range))
Chan [13] 60 46 8:52 39 (65) 6a 10.7a
Christensen [9] 79 52a 25:62a 27 (34) 21 (1–116)a 8 (1–85)a
Koch [14] 10 55.4 4:7a 3 (30) 3a -
Cazemier [15] 12 46 1:3 6 (50) - 102 (30–216)a
Gosselink [16] 37b 54 5:32 24 (65) 56 (8–154)a d
Gardiner [18] 41 - - 21 (51) - -
Crawshaw [17] 15 54 (41–61)a 13:35a 8 (53) 12ac -
Total 254 - - 128   
  1. aWhole cohort
  2. bObstructed Defaecation only
  3. cInferred from study report
  4. dNot stated, but 73 % of patients still using TAI at 30 months
  5. -Data not available