Table 5. Linear regression and Pearson's coefficient for cadmium in smoker and nonsmoker controls vs hypertensive patients.
| Scalp hair | Cadmium | Lead | Nickel | Zinc |
|---|---|---|---|---|
| RNS vs NSHP | 0.175 × −3.10 | 0.179 × +14.1 | 0.065 × −12.6 | 0.533 × +33.9 |
| r=0.13 | r=0.11 | r=0.06 | r=0.53 | |
| RS vs SHP | 0.417 × +2.74 | 0.539 × +15.3 | 0.445 × −19 | 0.160 × −155 |
| r=0.54 | r=0.50 | r=0.56 | r=0.185 | |
| Blood | ||||
| RNS vs NSHP | 0.098 × +5.56 | 0.205 × +318 | 0.173 × −3.73 | 0.397 × +3.43 |
| r=0.097 | r=0.11 | r=0.099 | r=0.42 | |
| RS vs SHP | 0.81 × −13.5 | 0.735 × +262 | 0.61 × −7.47 | 0.198 × −8.01 |
| r=0.70 | r=0.50 | r=0.46 | r=0.22 | |
| Urine | ||||
| RNS vs NSHP | 0.058 × +4.51 | 0.062 × −134.2 | 0.17 × +7.8 | 0.35 × +0.953 |
| r=0.11 | r=0.12 | r=0.12 | r=0.15 | |
| RS vs SHP | 0.876 × +2.06 | 1.05 × +357 | 0.53 × +16.8 | 0.418 × +1.28 |
| r=0.51 | r=0.61 | r=0.52 | r=0.495 | |
Abbreviations: RNS, referent nonsmokers; RS, referent smokers; NSHP, nonsmoker hypertensive patients; SHP, smoker hypertensive patients.