a slight trendp = 0.067
Regarding mortality, although there were no significant differences between the two periods, there was a slight trend to lower 30-day mortality in the second period (8.8% vs 5.8%, p = 0.067).
Regarding mortality, although there were no significant differences between the two periods, there was a slight trend to lower 30-day mortality in the second period (8.8% vs 5.8%, p = 0.067).