Table 5.
Factors influencing pain numerical rating scale (NRS) on day 8 (multiple linear regression).
| Variables | Simple regression model | Multiple regression model | |||
|---|---|---|---|---|---|
| Partial regression coefficient (95% CI) | P value | Partial regression coefficient (95% CI) | P value | VIF | |
| Age | 0.006 (−0.028 to 0.040) | .715 | |||
| Sex | 0.586 (−0.059 to 1.230) | .075 | 0.510 (−0.101 to 1.120) | .101 | 1.005 |
| Performance status | 0.045 (−0.337 to 0.426) | .817 | |||
| Opioid regimen | 0.565 (−0.076 to 1.206) | .083 | 0.671 (0.038 to 1.304) | .038 | 1.095 |
| OMME | 0.023 (−0.002 to 0.048) | .073 | −0.002 (−0.028 to 0.025) | .902 | 1.258 |
| Neuropathicpain | −0.015 (−0.051 to 0.022) | .423 | |||
| Genotype | 0.452 (−0.207 to 1.110) | .177 | |||
| PretreatmentNRS | 0.290 (0.135 to 0.444) | <.001 | 0.304 (0.138 to 0.471) | <.001 | 1.207 |
| Pretreatment HADS | −0.001 (−0.045 to 0.044) | .969 | |||
Abbreviations: OMME, oral morphine milligram equivalent; NRS, numerical rating scale; HADS, Hospital Anxiety and Depression Scale; VIF, variance inflation factor.