Skip to main content
. Author manuscript; available in PMC: 2014 Aug 22.
Published in final edited form as: J Clin Epidemiol. 2012 Mar 29;65(6):660–668. doi: 10.1016/j.jclinepi.2011.12.004

Table 4.

Overall comparison and kappa statistic for all three reviews

Overall comparison Ottawa positive Ottawa negative Total
  RAND out of date 18 10 28
  RAND still valid 2 47 49
Total 12 65 77

Signals in agreement with each other are in bold.

Kappa = 0.64 (95% CI 0.45–0.83).