showed a trendP = .109
Furthermore, CAR showed a trend towards significant associations with 8MWT (adjusted R 2 = .226, R 2 change = .174 F = 2.312, P = .109, β = .452, P = .064) and 6MWT (adjusted R 2 = .236, R 2 change = .182 F = 2.387, P = .101, β =−.472, P = .058).