Table S3. Association between treatment type and time to follow-up treatment (matched cohorts).
| Covariates | Parameter estimate | P value |
|---|---|---|
| Intercept | 59.6 | 0.770 |
| Treatment group | ||
| PDT* | 79.0 | 0.077 |
| Non-PDT ablation** (reference) | – | – |
| Age at diagnosis | −1.1 | 0.672 |
| Race and ethnicity | ||
| White | 89.5 | 0.124 |
| Other (reference) | – | – |
| Marital status | ||
| Married | −36.1 | 0.406 |
| Other (reference) | – | – |
| Gender | ||
| Male | −44.0 | 0.347 |
| Female (reference) | – | – |
| Geographic region | ||
| Metro | −16.5 | 0.826 |
| Non-metro (reference) | – | – |
| Comorbidity score | ||
| Comorbidity ≥1 | 21.1 | 0.618 |
| Zero comorbidity (reference) | – | – |
| Stage | ||
| Stage III | 89.0 | 0.097 |
| Stage IV (reference) | – | – |
*, PDT group includes PDT + radiation ± chemotherapy; **, non-PDT ablation group includes non-PDT ablation + radiation ± chemotherapy. PDT, photodynamic therapy.