Research Article

The Effects of Uric Acid, Serum Vitamin D3, and Their Interaction on Parkinson’s Disease Severity

Table 1

The mean values of uric acid level, vitamin D3 level, and UPDRS score in total study sample and in different age and sex groups.

UA (mg/dL) valueSerum vitamin D3 (ng/mL) valueDuration (month) valueUPDRS value

Total sample5.45 + 1.5428.47 + 14.2456.61 + 40.823.09 + 17.86
Age (year)
 ≤625.32 ± 1.700.37724.82 ± 12.320.00852.22 ± 43.090.40119.21 ± 18.060.017
 >625.57 ± 1.3832.14 ± 16.1561.00 ± 38.5126.98 ± 17.64
Sex
 Male5.53 ± 1.330.35428.68 ± 14.570.60456.16 ± 47.340.68624.30 ± 18.840.251
 Female5.25 ± 1.9427.10 ± 14.9460.02 ± 54.5420.29 ± 16.76

UPDRS: Unified Parkinson’s Disease Rating Scale III; UA: uric acid. All presented value resulted from independent samples -test or Mann-Whitney test.