Table 3. Associations of Symptom Severity Clusters With Longitudinal Adverse Outcomes.
Variable | Hospitalization over 3 mo, RR (95% CI) | Overall survival over 1 y, HR (95% CI) | Any grade 3-5 toxic effect, RR (95% CI) | |||
---|---|---|---|---|---|---|
Unadjusted modela | Adjusted modela,b | Unadjusted modela | Adjusted modela,b | Unadjusted modela | Adjusted modelb,c | |
Symptom cluster, severity | ||||||
Low | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] | 1 [Reference] |
Moderate | 1.61 (1.20-2.17) | 1.36 (1.01-1.84) | 1.59 (1.25-22.03) | 1.31 (1.01-1.69) | 1.05 (0.92-1.19) | 1.04 (0.92-1.18) |
P value | .02 | .046 | <.001 | .04 | .50 | .49 |
High | 1.88 (1.32-2.69) | 1.44 (0.99-2.10) | 2.62 (1.93-3.53) | 2.00 (1.43-2.78) | 1.11 (0.94-1.31) | 1.17 (0.97-1.39) |
P value | <.001 | .05 | <.001 | <.001 | .21 | .10 |
Patients, No. | 706 | 706 | 706 | 706 | 706 | 706 |
Sites, No. | 39 | 39 | 39 | 39 | 39 | NA |
Abbreviations: HR, hazard ratio; NA, not applicable; RR, risk ratio.
Models included practice site as random effect.
Multivariable models adjusted for age, sex, cancer type, cancer treatment, number of Geriatric Assessment domain impairments, study group, Karnofsky performance status.
Practice site random effect was excluded because the model did not converge.