Table 12.

Classification results of GBDT for death1yr and PCI in 2007-2011

PCI	2007	2008	2009	2010	2011	Average F-score
Recall	0.703	0.700	0.702	0.695	0.694
Precision	0.572	0.574	0.585	0.597	0.607
F-score	0.631	0.630	0.638	0.642	0.647	0.638
death1yr
Recall	0.702	0.698	0.710	0.704	0.682
Precision	0.640	0.632	0.639	0.650	0.633
F-score	0.669	0.663	0.672	0.675	0.657	0.667