Table 2.

Five Year Overall Survival Proportions with Patient Characteristics According to the Serum 25(OH)D cut-off

Characteristics	n	5-year survival (%)		p-value
		<16ng/ml	≥16ng/ml
Vitamin D	303	64.3	83.5	0.002
Age (years)				0.003
<50	143	80.8	89
≥50	159	54	78.2
BMI 23 kg/m2				0.007
<23	128	81.3	75.1
≥23	167	51.9	91.9
Clinical stage				0.024
I-II	189	81.8	92.6
III-IV	83	42.9	61.3
LN metastasis				0.001
Positive	117	45	72.2
Negative	111	87.5	96.5
ER				0.001
Positive	170	52.1	86.2
Negative	92	70	77.7
PgR				0.001
Positive	129	61.9	90.3
Negative	133	57.1	76.2
HER-2				0.012
Positive	49	62.5	70.6
Equivocal	52	75	76
Negative	154	51.1	88.2
P53				0.001
Positive	206	65.5	85.7
Negative	58	50	75.6
Ki-67				0.027
Positive	238	67.9	82.9
Negative	17	66.7	85.7