Table 1.

Demographic and clinical features of study participants

	All (n = 139)
	N	%
Age at diagnosis (years)	139
Mean	58	11
<50	31	22.3
50–60	45	32.4
>60	63	45
BMI
Mean	24.8	4
<50	79	60.8
50–60	33	25.4
>60	18	13.8
Missing	9
Age at Menarche (years)
Mean	13.8	2.1
<12	15	11.4
14-Dec	55	41.7
>14	62	47
Missing	7
Parity	131	94
Mean	1.9
0	16	12.2
2-Jan	83	63.4
3+	32	24.4
Missing	8
PAM50 Subtype	139	100
Luminal A	49	35
Luminal B	43	31
Basal	20	14
Her2+	20	14
Normal	7	5
Grade
1	11	12.2
2	40	44.4
3	39	43.3
Missing	49
Stage
I/II	69	77.5
III	20	22.5
Missing	50