Table 1. Summary of patient demographics and clinic characteristics (n = 1064).

Characteristic		Trainingset(n = 532)	Validationset(n=532)	Total set (n = 1064)
Age(years)a	Mean	58.50	58.44	58.47
	<60	273	292	565	53.10%
	≥60	259	240	499	46.90%
Sex	Male	6	5	11	17.18%
	Female	526	527	1053	82.82%
Vital Status	Living	470	469	939	88.25%
	Dead	62	63	125	11.75%
Clinical Stage	I	97	87	184	17.60%
	II	310	292	602	57.55%
	III	104	137	241	23.04%
	IV	10	9	19	1.81%
Clinical Subtype	ER-Negative	113	113	226	21.24%
	PR-Negative	171	159	330	31.01%
	HER-Negative	273	275	548	51.50%
OS_timeb (Days)	Mean	1048	1039	1044
	Range	0–7126	0–6719	0–7126

^aThe age of patient at diagnosis, ^bOverall survival time.