Table 1

Population characteristics

Tumor staging: pTNM
IIIIIIAIIIB + IVAll stages
Squamous cell carcinoma
Malea42244317126
Femalea31026
Age (yr)62.96 ± 9.3060.16 ± 9.5061.98 ± 9.6560.74 ± 9.3161.79 ± 9.41
Tobacco (pack-yr)45.18 ± 22.3540.32 ± 20.8343.12 ± 20.8337.47 ± 21.5842.55 ± 20.49
Nonrelated deathsa11511229 (21.97%)
Relapsesa108261155 (41.67%)
Survivorsa24126648 (36.36%)
Length of survival (mo)41.55 ± 27.6238.68 ± 29.5227.71 ± 27.9521.95 ± 2333.68 ± 28.23
Adenocarcinoma
Malea399221383
Femalea722112
Age (yr)63.57 ± 9.2658.45 ± 8.1358.50 ± 9.4554.50 ± 9.0360.36 ± 9.00
Tobacco (pack-yr)40.07 ± 25.6930.64 ± 21.9137.35 ± 13.0334.29 ± 19.9237.44 ± 21.84
Nonrelated deathsa625114 (14.73%)
Relapsesa246181260 (63.16%)
Survivorsa1631121 (22.11%)
Length of survival (mo)35.5 ± 24.9033.55 ± 26.3219.64 ± 18.9528.64 ± 29.4830.26 ± 24.95
  • a In number of patients.