Table 3.

Risk for death or recurrence associated with female sex (segregated by cancer site)

Matched pairsRisk for recurrence or death associated with female sex (95% confidence interval); P*P from log-rank test of equality of survival curves
FemalesMales
Recurrence or deathNo event
Oral cavity (131 pairs*)
    No recurrence1991
    Recurrence5160.8 (0.4-1.7); P = 0.7360.575
    Alive1796
    Death from cancer4140.8 (0.4-1.8); P = 0.7200.651
    Alive1782
    Death from any cause12201.2 (0.6-2.4); P = 0.7430.868
Oropharynx (92 pairs)
    No recurrence972
    Recurrence380.9 (0.3-2.6); P = 1.00.762
    Alive874
    Death from cancer370.9 (0.3-2.8); P = 1.00.773
    Alive1363
    Death from any cause880.6 (0.2-1.6); P = 0.3830.446
Larynx/hypopharynx (62 pairs)
    No recurrence1041
    Recurrence380.8 (0.3-2.3); P = 0.8150.651
    Alive749
    Death from cancer150.7 (0.2-2.6); P = 0.7740.662
    Alive640
    Death from any cause791.5 (0.5-5.1); P = 0.6070.537
  • *McNemar's χ2 test.

  • One pair having simultaneous primaries of the oral cavity and the oropharynx were omitted from this analysis segregated by site.