Table 1.

Demographics of patients for the training and testing dataset.

Characteristic	Training dataset (n=1958)	Testing dataset (n=99)	Statistical test
			Method used	P value
Age, median (interquartile range), years	61.2 (51.2-69.5)	63.8 (57.4-71.9)	Mann-Whitney U test	.02
Sex, number male (%)	1195 (61.03%)	66 (67%)	Pearson chi-square test	.309
Height, median (interquartile range), years	164.0 (157.3-170.0)	163.4 (156.7-168.0)	Mann-Whitney U test	.231
Weight, median (interquartile range), kg	63.1 (55.2-72.4)	64.0 (57.5-72.1)	Mann-Whitney U test	.494