Table 4.

Survival analysis of race, histology and risk of death; stratified by and adjusted for year of diagnosis

Race	Hazard Ratio* (95% CI)
AIAN vs. white	1.09 (1.01 – 1.19)
Sex
Female vs. male	0.85 (0.85 – 0.86)
Histology
Adenocarcinoma	1 (reference)
Bronchioloalveolar carcinoma	0.68 (0.66 – 0.70)
Large cell carcinoma	1.15 (1.12 – 1.17)
Other non-small cell	1.10 (1.09 – 1.12)
Squamous cell carcinoma	1.05 (1.03 – 1.06)

^*adjusted for SEER site, year of diagnosis, SEER historic stage, andsurgery

AIAN: American Indians and Alaska Natives, CI: confidence interval