a significant trendP < 0.001
Figure 3 A shows a significant trend of a decreasing in-hospital mortality rate, from 59.7% in 1997 to 47.5% in 2011 (trend test, P < 0.001) in the overall population, and similar trends in both sexes.
Figure 3 A shows a significant trend of a decreasing in-hospital mortality rate, from 59.7% in 1997 to 47.5% in 2011 (trend test, P < 0.001) in the overall population, and similar trends in both sexes.
Overall, there has been a decreasing trend in in-hospital and 1-year mortality rates in recent years, likely because of the implementation of lung-protective ventilation. status released display-pdf yes is-olf no is-manuscript no is-preprint no is-journal-matter no is-scanned no is-retracted no Received 2015 Sep 10; Revised 2015 Sep 25; Accepted 2015 Sep 28; Collection date 2015 Oct.