Table 4

Multivariable analysis of factors affecting time to initiation of treatment in surgery and chemoradiation treatment cohorts

Variable
Cohort
SurgeryChemoradiation
RR (95% CI)P valueRR (95% CI)P value
Age at diagnosis (years)≤50RefRef
>501.11 (1.05 to 1.18)<0.00011.01 (0.95 to 1.06)0.783
Diagnosis institutionNCI CCRefRef
SNH1.19 (1.08 to 1.31)<0.00011.40 (1.25 to 1.57)<0.0001
OSH1.36 (1.25 to 1.47)<0.00011.55 (1.38 to 1.74)<0.0001
Treating institutionNCI CCRefRef
SNH1.56 (1.43 to 1.70)<0.00010.72 (0.65 to 0.79)<0.0001
Race/ethnicityNon-Hispanic WhiteRefRef
Hispanic White0.66 (0.60 to 0.72)<0.00010.74 (0.66 to 0.82)<0.0001
African American0.98 (0.89 to 1.07)0.6260.84 (0.76 to 0.94)0.002
Afro-Caribbean/Afro-Latina0.60 (0.52 to 0.70)<0.00010.86 (0.77 to 0.96)0.008
LanguageEnglishRefRef
Spanish0.94 (0.87 to 1.02)0.0140.78 (0.72 to 0.85)<0.0001
Haitian Creole0.84 (0.69 to 1.03)0.0891.32 (1.20 to 1.46)<0.0001
Other2.27 (1.83 to 2.80)<0.0001NENE
Insurance statusPrivateRefRef
Medicare/Medicaid0.94 (0.86 to 1.01)0.1021.64 (1.50 to 1.80)<0.0001
County charity care0.86 (0.78 to 0.95)0.0031.95 (1.75 to 2.16)<0.0001
Self-pay0.69 (0.61 to 0.78)<0.00012.94 (2.65 to 3.26)<0.0001
Stage groupGroup1: IA1–IB2RefRef
Group 2: IB3–IVA0.54 (0.46 to 0.63)<0.00011.00 (0.90 to 1.10)0.93
Group 3: IVBNENE0.25 (0.18 to 0.36)<0.0001
Pre-treatment PETNoRefRef
Yes1.05 (0.99 to 1.12)0.0891.30 (1.21 to 1.40)<0.0001
Pre-treatment MRI pelvisNoRefRef
Yes1.50 (1.41 to 1.59)<0.00011.19 (1.12 to 1.27)<0.0001
Pre-treatment EUANoRefRef
Yes0.71 (0.67 to 0.76)<0.00011.28 (1.21 to 1.35)<0.0001
Moore0RefRef
10.67 (0.60 to 0.75)<0.00010.99 (0.85 to 1.14)0.845
  • EUA, exam under anesthesia; MRI, magnetic resonance imaging; NCI CC, National Cancer Institute designated cancer center; NE, not evaluable; OSH, outside institution; Ref, reference; SNH, safety net hospital.