Brain mediators of systemic oxidative stress on perceptual impairments in Parkinson’s disease

Table 2 Associations between oxidative stress level (TBARS) and perceptual functions after adjustments for age and sex

Clinical variable	Correlation coefficient	p value
Performance IQ	−0.266	0.062
Perceptual organization index	−0.299	0.035*
Picture completion	−0.270	0.058
Block design	−0.262	0.066
Matrix reasoning	−0.337	0.017*
Digit symbol	−0.286	0.044*

The results of partial correlation analysis between oxidative stress level and perceptual functions (adjusted for age, sex and education) were illustrated as correlation coefficients and corresponding p values
TBARS thiobarbituric acid reactive substances
* Indicates a P value of less than 0.05

ISSN: 1479-5876