Univariable analysis showing relative risk for prolonged time to treatment initiation, with median number of days to treatment for each cohort
| Variable | Cohort | Median TTI (days) | Mean TTI (days) | RR (95% CI) | P value |
| Age at diagnosis (years) | ≤50 | 52 | 63 | Ref | – |
| >50 | 60 | 71.2 | 1.13 (1.10 to 1.16) | <0.0001 | |
| Diagnosis institution | NCI CC | 47 | 52.6 | Ref | – |
| SNH | 62 | 73.6 | 1.40 (1.35 to 1.46) | <0.0001 | |
| OSH | 53 | 65.1 | 1.24 (1.18 to 1.30) | <0.0001 | |
| Treating institution | NCI CC | 49 | 57.8 | Ref | – |
| SNH | 62 | 72.1 | 1.25 (1.21 to 1.29) | <0.0001 | |
| Race/ethnicity | Non-Hispanic White | 56 | 83 | Ref | – |
| Hispanic White | 54 | 57.6 | 0.69 (0.66 to 0.73) | <0.0001 | |
| African American | 60 | 93.7 | 1.13 (1.07 to 1.19) | <0.0001 | |
| Afro-Caribbean/Afro-Latin | 63 | 71 | 0.86 (0.81 to 0.90) | <0.0001 | |
| Language | English | 57 | 78.5 | Ref | – |
| Spanish | 49.5 | 53.8 | 0.68 (0.66 to 0.71) | <0.0001 | |
| Haitian Creole | 77.5 | 83.9 | 1.07 (1.01 to 1.13) | 0.002 | |
| Other | 116 | 116 | 1.48 (1.23 to 1.77) | <0.0001 | |
| Insurance status | Private | 50 | 60.7 | Ref | – |
| Medicare/Medicaid | 56 | 66.9 | 1.10 (1.06 to 1.14) | <0.0001 | |
| County charity care | 56 | 66.3 | 1.09 (1.05 to 1.14) | <0.0001 | |
| Self-pay | 68 | 83.8 | 1.38 (1.32 to 1.45) | <0.0001 | |
| Stage group | Group1: IA1–IB2 | 55.5 | 68.5 | Ref | – |
| Group 2: IB3–IVA | 55 | 63.7 | 0.93 (0.90 to 0.96) | <0.0001 | |
| Group3: IVB | 59 | 82.2 | 1.20 (1.13 to 1.27) | <0.0001 | |
| Pre-treatment PET | No | 47 | 60.4 | Ref | – |
| Yes | 56 | 69.2 | 1.15 (1.11 to 1.18) | <0.0001 | |
| Pre-treatment MRI pelvis | No | 54 | 64.5 | Ref | – |
| Yes | 56 | 71.4 | 1.11 (1.07 to 1.14) | <0.0001 | |
| Pre-treatment EUA | No | 53.5 | 63.1 | Ref | – |
| Yes | 57.5 | 71.5 | 1.13 (1.10 to 1.17) | <0.0001 | |
| First treatment received | Chemoradiation | 58 | 64.4 | Ref | – |
| Surgery | 54 | 65.1 | 1.01 (0.98 to 1.04) | 0.537 | |
| Systemic chemotherapy | 47 | 72.8 | 1.13 (1.08 to 1.19) | <0.0001 | |
| Clinical trial | 62 | 76 | 1.18 (1.12 to 1.24) | <0.0001 |
EUA, exam under anesthesia; MRI, magnetic resonance imaging; NCI CC, National Cancer Institute designated cancer center; OSH, outside institution; PET, positron emission tomography; Ref, reference; SNH, safety net hospital; TTI, time to treatment initiation.