UC Davis

Context

Although patient and physician characteristics are thought to be predictive of discretionary interventions at the end of life (EoL), few studies have data on both parties.

Objective

To test the hypothesis that patient preferences and physician attitudes are both independently associated with discretionary interventions at the EoL.

Methods

We report secondary analyses of data collected prospectively from physicians (n = 38) and patients with advanced cancer (n = 265) in the Values and Options in Cancer Care study. Predictor variables were patient attitudes toward EoL care and physician-reported comfort with medical paternalism, assessed indirectly using a modified version of the Control Preference Scale. We explored whether the magnitude of the physician variable was influenced by the inclusion of particular patient treatment-preference variables (i.e., effect modification). Outcomes were a chemotherapy use score (≤14 days before death [scored 2], 15-31 days before death [scored 1], and >31 days [scored 0]) and an emergency department visit/inpatient admission score (two or more admissions in the last 31 days [scored 2], one admission [1], and 0 admissions [0]) in the last month of life.

Results

Chemotherapy scores were nearly 0.25 points higher if patients expressed a preference for experimental treatments with unknown benefit at study entry (0.238 points, 95% CI = 0.047-0.429) or reported an unfavorable attitude toward palliative care (0.247 points, 95% CI = 0.047-0.450). A two-standard deviation difference in physician comfort with medical paternalism corresponded to standardized effects of 0.35 (95% CI = 0.03-0.66) for chemotherapy and 0.33 (95% CI = 0.04-0.61) for emergency department visits/inpatient admissions. There was no evidence of effect modification.

Conclusion

Patient treatment preferences and physician attitudes are independently associated with higher levels of treatment intensity before death. Greater research, clinical, and policy attention to patient treatment preferences and physician comfort with medical paternalism might lead to improvements in care of patients with advanced disease.