highly significantp < 0.01
For smokers (CC), all dose–response relationships were found to be highly significant ( p < 0.01) with Spearman correlation coefficients in the range of 0.86–0.95.
For smokers (CC), all dose–response relationships were found to be highly significant ( p < 0.01) with Spearman correlation coefficients in the range of 0.86–0.95.