INTRODUCTION
MATERIALS AND METHODS
Cancer registration and population data
Definition of HNCs
Statistical analysis
Population-adjusted ratio=average cancer incidence number from 2009–2011/average incidence number from 1999–2001×1.053
Population-adjusted ratio=average cancer incidence number from 2009–2011/average incidence number from 1999–2001×1.053
Primary site | ICD-10a) code | Total | Male | Female |
---|---|---|---|---|
Lip | C00 | 0.07–0.10 | 0.10–0.10 | 0.00–0.04 |
Oral tongue | C01, 02 | 0.72–0.80 | 1.07–1.18 | 0.42–0.51 |
Oral cavityb) | C03–06 | 0.71–0.92 | 1.09–1.40 | 0.41–0.58 |
Major salivary gland | C07, 08 | 0.54–0.64 | 0.66–0.76 | 0.45–0.56 |
Nasopharynx | C11 | 0.62–0.68 | 0.96–1.03 | 0.31–0.36 |
Nasal cavity and paranasal sinus | C30, 31 | 0.48–0.52 | 0.67–0.73 | 0.32–0.37 |
Tonsil | C09 | 0.36–0.46 | 0.66–0.84 | 0.10–0.13 |
Hypopharynx | C12, 13 | 0.54–0.59 | 1.17–1.26 | 0.07–0.10 |
Oropharynxc) | C10 | 0.09–0.12 | 0.22–0.29 | 0.00–0.00 |
Larynx | C32 | 1.75–2.08 | 3.71–4.38 | 0.21–0.29 |
Primary site |
Average incidence no. (1999-2001) |
Average incidence no. (2009-2011) |
Increase ratio of incidence no.a) |
||||||
---|---|---|---|---|---|---|---|---|---|
Total | Male | Female | Total | Male | Female | Total | Male | Female | |
Lip | 29.3 | 18.7 | 10.7 | 36.0 | 22.7 | 13.3 | 1.17 | 1.15 | 1.19 |
Oral tongue | 321.3 | 218.7 | 102.7 | 535.7 | 354.3 | 181.3 | 1.59 | 1.54 | 1.68 |
Oral cavity | 491.0 | 319.7 | 171.3 | 526.0 | 333.3 | 192.7 | 1.02 | 0.99 | 1.06 |
Major salivary gland | 243.0 | 137.3 | 105.7 | 418.0 | 230.7 | 187.3 | 1.63 | 1.60 | 1.68 |
Nasopharynx | 315.3 | 223.7 | 91.7 | 384.3 | 292.3 | 92.0 | 1.16 | 1.24 | 0.95 |
Nasal cavity and paranasal sinus | 241.0 | 152.0 | 89.0 | 327.7 | 209.7 | 118.0 | 1.29 | 1.31 | 1.26 |
Tonsil | 138.7 | 115.7 | 23.0 | 341.7 | 291.7 | 50.0 | 2.34 | 2.39 | 2.06 |
Hypopharynx | 279.3 | 260.3 | 19.0 | 387.0 | 367.0 | 20.0 | 1.32 | 1.34 | 1.00 |
Oropharynx | 59.0 | 53.3 | 5.7 | 80.3 | 72.3 | 8.0 | 1.29 | 1.29 | 1.34 |
Larynx | 1,092.7 | 989.0 | 103.7 | 1,151.3 | 1,081.7 | 69.7 | 1.00 | 1.04 | 0.64 |