Characteristic | Sample size | |||||
Total | T1 | T2 | T3 | T4 | P value | |
Total number | 1454 | 977 | 410 | 47 | 20 | |
Age, yr, mean±SD | 61.22±9.65 | 60.69±9.71 | 62.20±9.59 | 63.02±8.19 | 60.95±9.87 | 0.099 |
Sex, n (%) | <0.001 | |||||
Male n (%) | 610 (41.95%) | 375 (38.40%) | 193 (47.07%) | 32 (68.09%) | 11 (55%) | |
Female n (%) | 844 (58.05%) | 602 (61.60%) | 217 (52.93%) | 15 (31.91%) | 9 (45%) | |
Smoking history, n(%) | 486 (33.42%) | 292 (30.05%) | 157 (38.05%) | 27 (57.45%) | 10 (50%) | <0.001 |
Male, n (%) | 951 (65.41%) | 671 (74.37%) | 250 (79.27%) | 20 (42.55%) | 10 (50%) | |
Female, n (%) | 17 (1.17%) | 14 (1.43%) | 3 (1.38%) | 0 | 0 | |
Family history of malignancy, n (%) | 452 (31.09%) | 325 (33.26%) | 113 (27.56%) | 11 (23.40%) | 7 (35%) | 0.217 |
Male, n (%) | 205 (33.61%) | 133 (35.38%) | 60 (31.09%) | 9 (28.12%) | 4 (36.36%) | |
Female, n (%) | 247 (29.27%) | 192 (31.94) | 53 (24.42%) | 2 (13.33%) | 3 (33.33%) | |
Mass location, n (%) | 0.23 | |||||
Upper right, n (%) | 513 (35.28%) | 349 (35.72%) | 141 (34.39%) | 19 (40.43%) | 4 (20%) | |
Middle right, n (%) | 99 (6.81%) | 74 (7.59%) | 22 (5.37%) | 3 (6.38%) | 0 | |
Low right, n (%) | 250 (17.19%) | 166 (17.01%) | 69 (16.83%) | 11 (23.40%) | 4 (20%) | |
Upper left, n (%) | 392 (26.96%) | 263 (26.95%) | 112 (27.32%) | 9 (19.15%) | 8 (40%) | |
Left lower, n (%) | 200 (13.76%) | 124 (12.73%) | 66 (16.09%) | 5 (10.64%) | 4 (20%) | |
N stage | / | <0.001 | ||||
NX | 17 (1.20%) | 10 (1.07%) | 7 (1.71%) | 0) | 0 | |
N0 | 1200 (82.51%) | 897 (91.9%) | 273 (66.59%) | 23 (48.94%) | 10 (50%) | |
N1 | 154 (10.62%) | 46 (4.71%) | 92 (22.44%) | 13 (27.66%) | 1 (5%) | |
N2 | 77 (5.31%) | 22 (2.25%) | 36 (8.78%) | 9 (19.15%) | 9 (45%) | |
N3 | 5 (0.35%) | 1 (0.11%) | 2 (0.48%) | 2 (4.25%) | 0 |
n, case number; N, node; T, tumour; yrs, years.