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Table 5 Example of no interaction present

From: The CORONIS Trial. International study of caesarean section surgical techniques: a randomised fractional, factorial trial

  Single Double Total
Closure 10/100 (10%) 20/100 (20%) 30/200 (15%)
Non-closure 15/100 (15%) 30/100 (30%) 45/200 (22.5%)
Total 25/200 (12.5%) 50/200 (25%) 75/400 (18.75%)
  1. Numbers shown are number of cases of febrile morbidity/total (percentage)