Table 2.
Results of the single linear regression applied for all independent variables with and without dependent variable transformations.
| Methadone Levels | Variable a (Tolerance State) | Variable b (Pulmonary Diseases) | Variable c (Cardiovascular Diseases) | Variable d (Other Drugs) | Variable e (Number of Drugs) |
Variable f (Number of Conditions/Diseases) |
|
|---|---|---|---|---|---|---|---|
| not modified | p value | 0.1610 | 0.1282 | 0.1544 | 0.0934 * | 0.0307 * | 0.0031 * |
| log 10 transf | p value | 0.0079 * | 0.0289 * | 0.1434 | 0.0022 * | 0.0003 * | <0.0001 * |
| equation | y = −0.1763 * x + 0.6795 | y = −0.1294 * x + 0.5019 | y = −0.08746 * x + 0.3896 | y = −0.2234 * x + 1.323 | y = −0.8232 * x + 3.724 | y = −0.6587 * x + 3.018 | |
log 10 transf: transformation of the dependent variable on a log10 basis. * = statistically significant results.