Research Article

Long-Term Survival in Young Women: Hazards and Competing Risks after Thyroid Cancer

Table 3

Multivariate Cox PH regression analyses 1992–2009 (SEER 12*): overall and disease-specific survival by age group.

Overall survivalDisease-specific (thyroid cancer) survival
Variable<40 years40+ years<40 years40+ years
HR (95% CI)HR (95% CI)HR (95% CI)HR (95% CI)

% below poverty
 Tertile 1 (low SES)1.31 (0.83–2.08)1.24 (1.11–1.38)1.21 (0.44–3.35)1.05 (0.88–1.26)
 Tertile 2 (med. SES)1.37 (0.86–2.16)1.06 (0.94–1.18)0.93 (0.31–2.84)0.96 (0.80–1.17)
 Tertile 3 (high SES)1.00 (Ref)1.00 (Ref)1.00 (Ref)1.00 (Ref)

*SEER 12: Connecticut, Hawaii, Iowa, New Mexico, Utah; metropolitan areas of San Francisco, Detroit, Seattle, Atlanta, San Jose, Los Angeles; and rural Georgia.
All models control for diagnosis year, histological subtype, stage, tumor size, race/ethnicity, marital status, urban/rural continuum, radiation treatment, surgical treatment, and subsequent primary cancers.
HR: hazard ratio; CI: confidence interval.