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Table 1 Number of acute OASI repairs performed per year

From: Management of obstetric anal sphincter injury: a systematic review & national practice survey

Number of repairs Consultant Coloproctologists Consultant Obstetricians Trainees
None 54 (60%) 69 (10.3%) 16 (10.8%)
Less than 5 /year 27 (30%) 290 (43.2%) 89 (60.1%)
5–10/ year 3 (3.3%) 168 (25%) 34 (23%)
More than 10/ year 6 (6.7%) 145 (21.5%) 9 (6.1%)
  1. Kruskal-Wallis test (χ2 2 = 102.4) p < 0.001