Skip to main content

Table 2 Proportion of study types by nationality

From: The Canadian contribution to the otolaryngology literature: a five year bibliometric analysis

  Study rype
RCTs Other clinical studies Case reports Primary basic science research Secondary research Other
Nationality Canadian 21 351 72 49 27 10
4.0% 66.2% 13.6% 9.2% 5.1% 1.9%
American 22 837 210 135 56 51
1.7% 63.8% 16.0% 10.3% 4.3% 3.9%
UK 12 198 23 5 37 47
3.7% 61.5% 7.1% 1.6% 11.5% 14.6%
Other 85 1635 263 205 137 31
3.6% 69.4% 11.2% 8.7% 5.8% 1.3%
  1. RCT = randomized controlled trial.