Table 1
Concentration of vitamin D3
Mean value ± SD
25D serum
15.5±8.1
1.25D serum
54.2±22.8
25D BALF
7.4±1.4
1.25D BALF
8.9±3.1
25D EBC
7.7±3.8
1.25D EBC
8.5±3.1
LD serum
4.5±3.1
LD = 1.25(OH)2D/25OHD.