Table 2.

Sensitivity (Sen) of different types of train-test combinations using 5-fold crossvalidation.

Train	Test on H1	Test on H2
Same hospital	0.88 ± 0.009	0.89 ± 0.021
Different hospitals	0.78 ± 0.015	0.86 ± 0.013
Both hospitals	0.87 ± 0.011	0.88 ± 0.015