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Table 2 Unadjusted and adjusted hazard ratio for oral and pharyngeal carcinoma death in Taiwan from 1985–1994.

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

  Oral and pharyngeal carcinoma death (N = 4106)
Ethnic group Aborigines: Hakkaa HR (95% CI) Hokkien: Hakkab HR (95% CI)
Unadjusted HR 1.16 (0.93–1.44) 1.25 (1.09–1.43)*
Adjusted HR   
   Adjusted for the period of diagnosis (yrs) 1.16 (0.93–1.44) 1.25 (1.09–1.43)*
   Above plus gender, diagnostic age 1.18 (0.95–1.46) 1.22 (1.06–1.40)*
   Above plus anatomic site, morphological type, therapy 1.07 (0.86–1.33) 1.16 (1.01–1.33)*
  1. HR: hazard ratio; CI = confidence interval.
  2. * Statistical significance (p < 0.05).
  3. a Aborigines community-to-Hakka community ratio.
  4. b Hokkien community-to-Hakka community ratio.
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