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Table 3 Reported methodological quality of animal research published in three critical care journals in 2012: Discussion section

From: The methodological quality of animal research in critical care: the public face of science

Criterion

Number of 77 publications meeting criterion,n(%) [95% confidence interval]

Internal validity limitations discusseda

7 (9%) [4%, 18%]

External validity (to humans) discussed

71 (92%) [84%, 97%]

 When discussed, no limitation to external validity (to humans) mentioned

30 (42% of 71) [31%, 54%]

 When discussed, only a vague limitation to external validity mentioned

9 (13% of 71) [7%, 23%]

  1. aInternal validity limitations: sample size in 5, methodological bias in 3, and multiple statistical comparisons in 1.