Table 2.

The Correlation between Parameters and Age, Disease Duration, and Scoring.

	Age r value p-value	Duration of disease r value p-value	Rodnan r value p-value	LoSSI r value p-value
Native thiol (μmol/L)	−0.538 <0.001	−0.574 0.008	−0.051 0.833	0.056 0.814
Total thiol (μmol/L)	−0.553 <0.001	−0.583 0.007	−0.011 0.963	0.110 0.645
Disulfide (μmol/L)	−0.252 0.112	−0.222 0.346	0.158 0.506	0.255 0.278
Disulfide/native thiol (%)	−0.007 0.966	0.011 0.963	0.136 0.567	0.193 0.414
Disulfide/total thiol (%)	0.001 0.993	−0.014 0.954	0.135 0.571	0.198 0.403
Native thiol/total thiol (%)	−0.001 0.995	0.014 0.954	−0.135 0.571	−0.198 0.403
IMA (ABSU)	−0.188 0.240	0.074 0.756	0.219 0.354	0.338 0.145
Prolidase (U/L)	−0.265 0.094	−0.089 0.709	0.053 0.823	0.013 0.958
Rodnan	0.231 0.313	−0.065 0.778
LoSSI	0.100 0.666	−0.198 0.390

Abbreviations: R: correlation coefficient.