Table 2.

Correlation between age, age of onset and duration of use of patients with SUD in the cases evaluated in the study

Variable	Analysis	Age	Age of onset	Duration of use
Native thiol	r	−0.063	0.032	−0.219
	p	0.665	0.827	0.126
Total thiol	r	−0.006	0.065	−0.175
	p	0.965	0.655	0.225
Disulfide	r	0.281	0.166	0.215
	p	0.048	0.249	0.133
Disulfide/native thiol (%)	r	0.295	0.151	0.288
	p	0.038	0.295	0.043
Disulfide/total thiol (%)	r	0.286	0.143	0.287
	p	0.044	0.323	0.044
Native thiol/total thiol (%)	r	−0.286	−0.143	−0.287
	p	0.044	0.322	0.044
IMA	Rho	0.015	−0.051	0.025
	p	0.920	0.723	0.861
IL-6	R	0.241	0.185	0.240
	p	0.092	0.199	0.093
NLR	Rho	0.343	0.398	−0.220
	p	0.017	0.005	0.133
MLR	Rho	0.428	0.376	0.073
	p	0.002	0.008	0.624
PLR	Rho	0.433	0.519	−0.188
	p	0.002	< 0.001	0.200

SUD, substance use disorder; IMA, ischemic modified albumin; r, Pearson correlation analysis; IL-6, interleukin-6; NLR, neutrophil/lymphocyte ratio; MLR, monocytes/lymphocyte ratio; PLR, platelet/lymphocyte ratio; Rho, Spearman correlation analysis.