Table 2: Comparison of 25(OH)D₃ values and total vBMD Z-scores < -1.0.

25(OH)D3 concentration		vBMD (total)
ng/ml	number of subjects	Z-score < -1.0 number of subjects/%
10	18	2/11.1
10.1-20.0	88	9/10.2
20.1-30.0	70	3/4.3
30.1-40.0	64	9/14.0
> 40	32	3/9.4