highly significantP < .0001
Feasibility of analyzing Norwegian and Danish data as a single pooled sample In the sensitivity analysis combining Norwegian and Danish data, country was a highly significant predictor of KN score (likelihood ratio χ 2 (1) = 47.89, P < .0001), with Norwegian dogs having 1.77 times higher odds of a worse KN score compared with Danish dogs (OR, 1.769; 95% CI, 1.505-2.079).