showed a trendP = 0.073
Linear regression showed a trend for a greater proportion of patients aged ≥80 years receiving cardiac surgery during the study period (estimated relative annual increase 3%; P = 0.073) (Figure 2 ).
Linear regression showed a trend for a greater proportion of patients aged ≥80 years receiving cardiac surgery during the study period (estimated relative annual increase 3%; P = 0.073) (Figure 2 ).
There was an increasing trend in the proportion of octogenarians undergoing surgery during the study period (0.3% per year, P = 0.073).