Table 1 Patient characteristics of the cancer cases in the three Chinese institutions
Characteristic | Institution 1 (n = 300) | Institution 2 (n = 300) | Institution 3 (n = 300) | p value |
|---|---|---|---|---|
Breast cancer | 150 | 150 | 150 | |
Age | 55 ± 20 | 60 ± 17 | 62 ± 16 | 0.02 |
Sex | - | |||
Female | 150 (100.0) | 150 (100.0) | 150 (100.0) | |
Histological type | 0.52 | |||
CIS | 25 (16.7) | 31 (20.7) | 24 (16.0) | |
NST | 108 (72.0) | 95 (63.3) | 104 (69.3) | |
Special types | 17 (11.3) | 24 (16.0) | 22 (14.7) | |
Modality | - | |||
MG | 50 (33.3) | 50 (33.3) | 50 (33.3) | |
CT | 50 (33.3) | 50 (33.3) | 50 (33.3) | |
MRI | 50 (33.3) | 50 (33.3) | 50 (33.3) | |
Lung cancer | 50 | 50 | 50 | |
Age | 61 ± 18 | 62 ± 16 | 64 ± 15 | 0.33 |
Sex | - | |||
Male | 25 (50.0) | 25 (50.0) | 25 (50.0) | |
Female | 25 (50.0) | 25 (50.0) | 25 (50.0) | |
Histological type | 0.22 | |||
NSCLC | 43 (86.0) | 46 (92.0) | 40 (80.0) | |
SCLC | 7 (14.0) | 4 (8.0) | 10 (20.0) | |
Modality | - | |||
CT | 50 (100.0) | 50 (100.0) | 50 (100.0) | |
Colorectal cancer | 100 | 100 | 100 | |
Age | 63 ± 16 | 60 ± 12 | 63 ± 14 | 0.21 |
Sex | - | |||
Male | 50 (50.0) | 50 (50.0) | 50 (50.0) | |
Female | 50 (50.0) | 50 (50.0) | 50 (50.0) | |
Location of lesion | 0.11 | |||
Colon | 26 (26.0) | 38 (38.0) | 20 (20.0) | |
Rectum | 58 (58.0) | 40 (40.0) | 48 (48.0) | |
Junction | 16 (16.0) | 22 (22.0) | 32 (32.0) | |
Modality | - | |||
CT | 50 (50.0) | 50 (50.0) | 50 (50.0) | |
MRI | 50 (50.0) | 50 (50.0) | 50 (50.0) |
