Table 3.
Main characteristics of study participants.
| Characteristic | Controls (n = 12) | PD (n = 16) | p Value |
|---|---|---|---|
| Age (years), mean ± SD | 75.5 ± 4.9 | 74.5 ± 8.4 | 0.6272 |
| Gender (female), n (%) | 5 (42) | 9 (38) | 0.4451 |
| BMI (kg/m2), mean ± SD | 29.2 ± 3.8 | 24.2 ± 3.0 | 0.010 |
| Number of diseases *, mean ± SD | 2.8 ± 2.1 | 3.2 ± 1.6 | 0.4621 |
| Number of medications #, mean ± SD | 2.9 ± 2.0 | 3.4 ± 1.5 | 0.3729 |
| MMSE score, mean ± SD | 27.6 ± 2.4 | 27.4 ± 2.4 | 0.8171 |
| Serum albumin (g/L), mean ± SD | 41.6 ± 7.1 | 40.3 ± 3.9 | 0.5161 |
| Total serum protein (g/L), mean ± SD | 71.8 ± 4.6 | 72.9 ± 4.8 | 0.6541 |
| Disease duration (months), mean ± SD | --- | 102.7 ± 69.1 | |
| LEDD (mg), mean ± SD | --- | 587.6 ± 223.9 |
Abbreviations: BMI: body mass index; LEDD: levodopa equivalent daily dose; MMSE: Mini Mental State Examination; PD: Parkinson’s disease; SD: standard deviation. * includes hypertension, coronary artery disease, prior stroke, peripheral vascular disease, diabetes, chronic obstructive pulmonary disease, and osteoarthritis. # includes prescription and over-the-counter drugs.