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Table 6 Example of 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%) 10/100 (10%) 20/200 (10%)
Non-closure 20/100 (20%) 40/100 (40%) 60/200 (30%)
Total 30/200 (15%) 50/200 (25%) 50/400 (12.5%)
  1. Numbers shown are number of cases of febrile morbidity/total (percentage)