Table 2.

Demographics of the training and testing groups.

Demographic	Training Cohort	Test Cohort	p-Value
Age	67 (IQR = 17)	65 (IQR = 22.5)	0.35
Sex
Male	107	29	0.69
Female	76	36
Radiotherapy
Yes	78	20	0.95
No	105	26
Stage
One	42	17	0.26
Two	46	6
Three	31	6
Four	64	17
2-EFS Event
Yes	50	12	0.98
No	133	34

2-EFS = 2-year event free survival. The p-values were calculated using a t-test for age and a χ² test for the remaining demographic features.