Fig. 3
From: Data accuracy in the Ontario birth Registry: a chart re-abstraction study
Summary of results (percent agreement). Cohen’s kappa statistic (κ) - degrees of agreement after chance agreement has been excluded (Landis & Koch, 1977): + ≤ 0.60; ++ 0.61–0.80; +++ > 0.80. Intra-class correlation coefficient (ICC) (Portney & Watkins, 2000): * < 0.50; **0.50–0.75; *** > 0.75