Table 1.
Characteristics of oral and pharyngeal carcinoma subjects (N = 9039) at time of diagnosis in Taiwan from 1985–1994.
| Ethnic group | Aborigines community (N = 302) | Hakka community (N = 556) | Hokkien community (N = 8181) | |
| Characteristics | N(%)a | N(%)a | N(%)a | p Value |
| Period of diagnosis (yrs) | ||||
| 1985–1989 | 119(39.4) | 196(35.3) | 2864(35.0) | 0.2908 |
| 1990–1994 | 183(60.6) | 360(64.8) | 5317(65.0) | |
| Gender | ||||
| Males | 233(77.2) | 467(84.0) | 7280(89.0) | < 0.0001 |
| Females | 69(22.9) | 89(16.0) | 901(11.0) | |
| Diagnostic age (yrs) | ||||
| < = 49 | 69(22.9) | 178(32.0) | 3021(36.9) | < 0.0001 |
| 50–59 | 87(28.8) | 149(26.8) | 2320(28.4) | |
| 60–69 | 82(27.2) | 142(25.5) | 1812(22.2) | |
| > = 70 | 64(21.2) | 87(15.7) | 1028(12.6) | |
| Anatomic site | ||||
| Lip | 11(3.6) | 19(3.4) | 296(3.6) | < 0.0001 |
| Tongue | 63(20.9) | 162(29.1) | 2333(28.5) | |
| Mouth | 128(42.4) | 246(44.2) | 3571(43.7) | |
| Oropharyngeal | 16(5.3) | 51(9.2) | 651(8.0) | |
| Hypopharyngeal | 81(26.8) | 71(12.8) | 1255(15.3) | |
| Other | 3(1.0) | 7(1.3) | 72(0.9) | |
| Morphologic type | ||||
| SCC | 267(88.4) | 456(82.0) | 7020(85.8) | 0.0229 |
| Verrucous carcinoma | 14(4.6) | 24(4.3) | 344(4.2) | |
| Other carcinoma | 21(7.0) | 76(13.7) | 817(10.0) | |
| Therapy | ||||
| Surgery alone | 58(19.2) | 158(28.4) | 1976(24.2) | 0.0188 |
| RT alone | 17(5.6) | 42(7.6) | 568(6.9) | |
| CT alone | 23(7.6) | 48(8.6) | 694(8.5) | |
| Surgery + RT | 34(11.3) | 43(7.7) | 756(9.2) | |
| Surgery + CT | 15(5.0) | 29(5.2) | 524(6.4) | |
| RT + CT | 16(5.3) | 24(4.3) | 440(5.4) | |
| Surgery + RT + CT | 16(5.3) | 25(4.5) | 344(4.2) | |
| ST alone | 22(7.3) | 21(3.8) | 269(3.3) | |
| Other complex therapy | 101(33.4) | 166(29.9) | 2610(31.9) | |
SCC: squamous cell carcinoma.
RT: radiation therapy; CT: chemotherapy; ST: supportive care therapy.
a May not total 100% due to rounding.