Table 1 Clinical baseline characteristics of patients and tumors
Characteristics | Overall (n = 3739) | Characteristics | Overall (n = 3739) |
|---|---|---|---|
Sex, n (%) | T-stage, n (%) | ||
Female | 969 (25.9) | T1 | 808 (21.6) |
Male | 2770 (74.1) | T2 | 639 (17.1) |
Age, years, median (IQR) | 74.0 (69.0, 80.00) | T3 | 1823 (48.8) |
Marital status, n (%) | T4 | 282 (7.5) | |
Married | 2115 (56.6) | TX | 187 (5.0) |
Unmarried | 1624 (43.4) | N-stage, n (%) | |
Race, n (%) | N0 | 1326 (35.5) | |
Black | 334 (8.9) | N1 | 1075 (28.8) |
Other | 239 (6.4) | N2 | 201 (5.4) |
White | 3166 (84.7) | N3 | 38 (1.0) |
Histology, n (%) | N+ | 267 (7.1) | |
Squamous cell carcinoma | 1667 (44.6) | Nx | 832 (22.3) |
Adenocarcinoma | 2072 (55.4) | Stage, n (%) | |
Location, n (%) | I | 672 (18.0) | |
Upper | 426 (11.4) | II | 1314 (35.1) |
Middle | 889 (23.8) | III | 1494 (40.0) |
Lower | 2101 (56.2) | IVA | 15 (0.4) |
Other | 323 (8.6) | Other | 244 (6.5) |
Grade, n (%) | |||
I-II | 1617 (43.2) | ||
III-IV | 1420 (38.0) | ||
Unknown | 702 (18.8) |