Table 6.

Correlation between study metals and VAS and oxidative stress in ASR group (Spearman R p < 0.05) NS—non-significant

Parameter	Cr (μg/l)	Co (μg/l)
VAS 1–10	0.21	0.20
VAS %	0.20	0.21
SOD (NU/ml)—serum	NS	NS
LPS (RF)—serum	0.22	NS
GR (IU/g Hb)—erythrocytes	NS	NS
CAT (kU/g Hb)—erythrocytes	0.27	0.25
GPx (IU/gHb)—erythrocytes	− 0.26	− 0.28
LPS (RF/gHb)—erythrocytes	0.29	0.28