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Table 1 Simulated case-control data with true odds ratio = 5

From: An easy approach to the Robins-Breslow-Greenland variance estimator

Case Control ø Controls:cases
36 97 0.58 4
6 71   
42 168   
Ca Co   
41 79 0.94 2
1 5   
42 84   
Ca Co   
2 1 0.02 2
26 55   
28 56   
Ca Co   
19 25 0.30 3
9 59   
28 84   
Ca Co   
20 41 0.37 4
8 71   
28 112   
Ca Co   
30 21 0.62 1
4 13   
34 34   
Ca Co   
22 26 0.46 2
6 30   
28 56   
  1. Odds ratio estimates (Stata v7.0):
  2. Mantel-Haenszel 4.38 (95% CI 2.85 to 6.72)
  3. Conditional MLE 4.36 (95% CI 2.85 to 6.67)
  4. Unconditional MLE 4.42 (95% CI 2.88 to 6.78)