Intended for healthcare professionals

Endgames Statistical question

Matching the test to the problem

BMJ 2009; 338 doi: (Published 15 April 2009) Cite this as: BMJ 2009;338:b1486
  1. John Fletcher, clinical epidemiologist
  1. 1BMJ, London WC1H 9JR
  1. jfletcher{at}

    Which of the following statistical tests would be your first choice in each of the studies below?

    • Test:

    • 1 χ2 for contingency tables

    • 2 Two sample t test

    • 3 Log rank test

    • 4 Poisson test

    • 5 Pearson’s correlation coefficient

    • 6 Paired t test

    • Study:

    • a) The occurrence of heart attacks on duty in the staff of two airlines

    • b) Change in uric acid concentrations in people with gout before and after …

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