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Table 20.10

Cancer of the Oral Cavity and Pharynx (Invasive)

5-Year Relative Survival (Percent) by Year of Diagnosis

Year of
Diagnosis
All Races Whites Blacks
Both Sexes Males Females Both Sexes Males Females Both Sexes Males Females
1960-1963a - - - 45 - - - - -
1970-1973a - - - 43 - - - - -
1975-1977b 52.5 51.6 54.8 54.1 53.8 54.7 36.0 29.7 49.0
1978-1980b 53.3 51.8 56.5 55.4 54.5 57.4 34.9 29.8 45.8
1981-1983b 51.7 50.1 55.1 54.0 52.8 56.5 30.9 25.4 45.6
1984-1986b 54.1 51.7 59.0 56.3 54.8 59.4 35.0 29.5 49.1
1987-1989b 53.6 51.0 58.8 56.0 54.1 59.8 34.0 30.0 44.0
1990-1992b 55.4 53.2 60.1 57.9 56.4 61.0 33.1 28.4 46.0
1993-1995b 57.7 56.2 60.6 60.1 59.4 61.3 38.0 33.1 50.5
1996-1998b 57.8 56.2 61.0 59.9 59.1 61.4 36.4 31.3 49.5
1999-2001b 60.3 59.2 62.5 62.2 62.0 62.7 44.6 39.6 57.1
2002-2004b 63.9 63.1 65.7 65.7 65.7 65.7 48.2 42.8 58.8
2005-2008b 65.5 65.1 66.5 67.4 67.2 67.9 43.0 40.7 48.0
2009-2015b 68.4f 67.6f 70.4f 70.3f 69.9f 71.4f 50.9f 49.2f 54.4

5-Year Period Survival (Percent)cd

Year All Races Whites Blacks
Both Sexes Males Females Both Sexes Males Females Both Sexes Males Females
2015 65.8 65.2 67.4 67.2 66.8 68.2 49.3 48.3 51.5

Stage Distribution (%) 2009-2015ce, Case Counts and Percentages

Stage at
Diagnosis
All Races Whites Blacks
Both Sexes Males Females Both Sexes Males Females Both Sexes Males Females
Number of cases 57,854 41,585 16,269 47,354 34,485 12,869 5,169 3,580 1,589
Percent 100% 100% 100% 100% 100% 100% 100% 100% 100%
Localized 29 24 41 30 25 43 19 14 29
Regional 47 51 37 48 52 38 48 51 40
Distant 20 21 16 18 20 15 30 32 27
Unstaged/Unknown 4 4 5 4 4 5 3 3 4

5-Year Relative Survival (Percent) 2009-2015c by Age at Diagnosis

Age at
Diagnosis
All Races Whites Blacks
Both Sexes Males Females Both Sexes Males Females Both Sexes Males Females
Ages <45 79.8 77.3 83.9 81.1 78.8 84.9 70.9 67.1 75.7
Ages 45-54 70.2 69.7 71.8 72.8 72.5 74.0 50.0 49.3 52.0
Ages 55-64 66.6 65.6 70.3 68.6 67.5 72.6 46.5 45.9 48.3
Ages 65-74 62.4 60.8 66.5 63.9 62.6 67.3 43.1 40.0 49.8
Ages 75+ 51.2 51.1 51.2 52.1 52.5 51.2 32.7 30.1 35.0
Ages <65 69.7 68.4 73.8 71.6 70.4 75.5 51.4 49.7 55.7
Ages 65+ 57.9 57.5 58.6 59.0 59.0 58.9 40.1 37.8 43.5

5-Year Relative Survival (Percent) 2009-2015c by Stage at Diagnosise

Stage at
Diagnosis
All Races Whites Blacks
Both Sexes Males Females Both Sexes Males Females Both Sexes Males Females
All Stages 65.3 64.6 67.1 66.7 66.4 67.7 48.4 46.7 52.0
Localized 84.4 83.2 86.3 84.5 83.6 85.8 78.1 73.8 82.7
Regional 66.0 67.2 61.7 67.4 68.8 62.1 49.6 50.0 48.2
Distant 39.1 39.9 36.6 40.2 41.2 36.5 28.3 29.0 26.5
Unstaged/Unknown 50.9 51.1 50.3 48.3 48.7 47.5 40.2 45.3g 32.2g

Footnotes:

a Based on End Results data from a series of hospital registries and one population-based registry.

b SEER 9 areas (San Francisco, Connecticut, Detroit, Hawaii, Iowa, New Mexico, Seattle, Utah, Atlanta). Based on follow-up of patients into 2016. Expected survival rates are derived from the U.S. Annual Life Tables.

c SEER 18 areas (San Francisco, Connecticut, Detroit, Hawaii, Iowa, New Mexico, Seattle, Utah, Atlanta, San Jose-Monterey, Los Angeles, Alaska Native Registry, Rural Georgia, California excluding SF/SJM/LA, Kentucky, Louisiana, New Jersey and Georgia excluding ATL/RG). Expected survival rates are derived from life tables by socio-economic status, geography and race developed by the SEER program. Based on follow-up of patients into 2016.

d Period survival provides a 2015 estimate of survival by piecing together the most recent conditional survival estimates from several cohorts. It is computed here using three year calendar blocks (2010-2012: 0-1 year survival), (2009-2011: 1-2 year survival), (2008-2010: 2-3 year survival), (2007-2009: 3-4 year survival), (2006-2008: 4-5 years survival).

e Stage at diagnosis is classified using SEER Summary Stage 2000. Stage distribution percentages may not sum to 100 due to rounding.

f The difference between 1975-1977 and 2009-2015 is statistically significant (p<.05).

g The standard error is between 5 and 10 percentage points.

h The standard error is greater than 10 percentage points.

- Statistic could not be calculated due to fewer than 25 cases during the time period.

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