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Table 1 Characteristics of oral and pharyngeal carcinoma subjects (N = 9039) at time of diagnosis in Taiwan from 1985–1994.

From: Prognostic factors associated with the survival of oral and pharyngeal carcinoma in Taiwan

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)  
  1. SCC: squamous cell carcinoma.
  2. RT: radiation therapy; CT: chemotherapy; ST: supportive care therapy.
  3. a May not total 100% due to rounding.
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