TABLE 3.

Univariate analysis for predictors of 5-year mortality

Variable	HR	95% CI	p Value
Treatment approach (ref = TAXa)	0.99	0.66–1.48	0.97
Age	1.06	1.04–1.08	<0.001
Sex (ref = male)	0.74	0.54–1.03	0.07
Race (ref = White)
Black	1.59	0.99–2.57	0.06
Asian	0.69	0.26–1.82	0.46
Charlson-Deyo score (ref = 0)
1	1.43	0.99–2.08	0.06
2	2.53	1.41–4.54	0.002
3	2.14	1.22–5.15	0.03
Insurance status (ref = uninsured)
Private	0.45	0.13–1.54	0.20
Medicaid	1.76	0.47–6.56	0.40
Medicare	1.16	0.35–3.91	0.81
Median Income (ref = >$48 000)	1.47	1.09–1.97	0.01
Percent no high school degree (ref < 12.9%)	1.16	0.87–1.55	0.32
Facility type (ref = not academic)	0.86	0.62–1.18	0.35
Tumor size (ref < 1.00 cm)
Size ≥ 1.00 cm	0.83	0.38–1.82	0.643
Grade (ref = well-differentiated)
Poorly differentiated	1.03	0.53–2.02	0.92
Undifferentiated	1.12	0.46–2.74	0.26
Lymphovascular invasion (ref = no)	1.04	0.55–1.99	0.89
Margin status (ref = R0)
R1	1.51	0.99–2.29	0.05
R2	3.85	1.50–9.91	0.005

Abbreviations: CI, confidence interval; HR, hazard ratio; TAXa, transanal excision with adjuvant therapy.