Skip to main content

Table 1 Reporting of recommended study design features in critical care medicine manuscripts 2005 and 2015 (binary ratings). Comparisons were made using Chi square tests (P-value) and simple logistic regression (odds ratio)

From: Animal experimental research design in critical care

Study design feature Total (n = 825) 2005 (n = 482) 2015 (n = 343) Bonferroni-adjusted P-value Odds Ratio (98.3%CI)
Power analysis performed 40 (5) 10 (2) 30 (9) < 0.0001 4.52 (1.86,11.0)
Randomization performed 330 (40) 169 (35) 161 (47) 0.0018 1.64 (1.16,2.31)
Blinding performed 218 (26) 96 (20) 122 (36) < 0.0001 2.22 (1.51,3.25)