Table 4. Multivariate analysis of associations between case-mix variables and mortality, by continenta

EuropeJapanUS
RRP-valueRRP-valueRRP-value
a These three conditions are the only ones for which the relation to mortality varied significantly by continent.
Lung disease1.010.89941.300.49221.36<0.0001
Dyspnea1.45<0.00012.420.00051.160.0003
Cancer1.74<0.00012.35<0.00011.170.0022