Table 2: Demographic data of the 175 subjects (140 treated with different vitamin D doses according to the basal level and 35 with placebo) included in the study. For the main continuous baseline characteristics age, and BMI, an ANOVA was performed, and for the binomial baseline variable sex, we used a Cochran-Mantel-Haenszel test.

Vitamin D treatment groupPlacebo groupP value
Group 1
( )
Group 2
( )
Group 3
( )
Group 4
( )
Subtotal
( )
Group 1
( )
Group 2
( )
Group 3
( )
Group 4
( )
Subtotal
( )

Age (years)

Mean ± SD
Min–max51–8950–8451–8852–8750–8950–9050–8551–7150–8150–90

Subject gender

Male: n (%)14 (35.0)15 (37.5)17 (42.5)5 (25.0)51 (36.4)5 (50.0)5 (50.0)4 (40.0)1 (20.0)15 (42.9)0.473
Female: n (%)26 (65.0)25 (62.5)23 (57.5)15 (75.0)89 (63.6)5 (50.0)5 (50.0)6 (60.0)4 (80.0)20 (57.1)

BMI (kg/m²)

Mean ± SD
Min–max19–3520–3419–3419–3719–3722–3220–3519–3024–3119–35