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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Ann Surg Oncol. 2021 Jul 15;28(12):7300–7309. doi: 10.1245/s10434-021-10318-1

Figure 1.

Figure 1.

Survival Trends in Laryngeal Cancer in the United States

a: Two-year relative and observed survival from 2004-2015 shows no significant improvement in survival during the study period. b: Five-year relative and observed survival from 2004-2011 shows similar lack of survival improvement.

b: Five-year relative survival was stable across all stages during the study period.

Observed survival was defined as the probability of surviving for a specified time interval based from the study population. Relative survival was defined as the ratio of the proportion of observed survivors in the cohort against age, sex, and gender matched cohort from the United States population.