Parameter t-value Significance (P-value)
Age -0.69 >0.05 (-0.69)
Sex 1.66 >0.05 (0.10)
Smoking -0.7 >0.05 (0.48)
Marital status 1.27 >0.05 (0.20)
Occupational status 1.48 >0.05 (0.23)
ESR 4.06 <0.05 (0.04)*
CRP 0.3 >0.05 (0.76)
DAS-28 -0.03 >0.05 (0.97)
Sharp Score -0.12 >0.05 (0.90)
SLEDAI -1.07 >0.05 (0.29)
BASDAI -1.26 >0.05 (0.24)
Table 4: Results of comparison of mean differences in vitamin D levels in the disease population with respect to demographics and disease activity parameters. *P<0.05 is considered statistically significant.