Table 3.

Characteristics of VDR mRNA expression and serum level of 25-D₃ and 1,25-D₃ categorized by patient status at 5-year follow-up

Variables	VDR	P	1,25-D3 (pmol/L)	P	25-D3 (nmol/L)	P
Disease state		0.232		0.704		0.438
I	1.49 ± 1.40		25.4 ± 8.94		19.5 ± 8.16
II	0.893 ± 0.609		27.5 ± 5.14		22.2 ± 5.89
III	1.28 ± 1.14		25.5 ± 8.64		18.9 ± 7.33
Tumor grade		0.528		0.779		0.927
Well differentiated	1.51 ± 1.16		24.9 ± 6.99		19.3 ± 7.30
Moderately differentiated	1.39 ± 1.50		26.4 ± 9.07		20.1 ± 7.64
Poorly differentiated	1.16 ± 1.01		25.6 ± 8.59		19.8 ± 8.06
TMA		0.528		0.0197		0.127
0	1.21 ± 0.876		22.4 ± 6.35		16.8 ± 5.73
1	1.57 ± 1.69		24.9 ± 8.58		19.2 ± 7.72
2	1.09 ± 0.986		28.0 ± 10.4		20.9 ± 9.40
3	1.54 ± 1.41		31.5 ± 5.73		22.9 ± 5.98

VDR: vitamin D receptor, 25-D₃: 25-hydroxyvitamin D₃, 1,25-D₃: 1,25-dihydroxyvitamin D₃, TMA: tissue microarray.

All data are expressed as mean ± standard deviation (SD).