Table 1. Patient characteristics of TCGA cohort.
| TCGA data set | |
|---|---|
| Characteristics | Summary |
| Lung adenocarcinoma patients | N=515 |
| Age | 66.0±9.9 years |
| Gender | 46.3% Male; 53.7% female |
| Number of tumour histopathology image series | N=831 |
| Number of histopathology image series of adjacent benign tissue | N=243 |
| Number of histopathology image tiles | N=5,739,972 |
| Grade | |
| Grade 1 | 62 (12.0%) |
| Grade 1–2 | 11 (2.14%) |
| Grade 2 | 180 (35.0%) |
| Grade 2–3 | 39 (7.57%) |
| Grade 3 | 170 (33.0%) |
| Grade 4 | 5 (0.97%) |
| Grade unavailable | 48 (9.3%) |
| Stage | |
| Stage I | 254 (49.3%) |
| Stage II | 119 (23.1%) |
| Stage III | 81 (15.7%) |
| Stage IV | 25 (4.9%) |
| Stage unavailable | 36 (7.0%) |
| Lung squamous cell carcinoma patients | N=502 |
| Age | 66.7±12.4 years |
| Gender | 74.1% Male; 25.9% female |
| Number of tumour histopathology image series | N=761 |
| Number of histopathology image series of adjacent benign tissue | N=351 |
| Number of histopathology image tiles | N=5,033,634 |
| Grade | |
| Grade 1 | 9 (1.79%) |
| Grades 1–2 | 4 (0.80%) |
| Grade 2 | 198 (39.4%) |
| Grades 2–3 | 34 (6.77%) |
| Grade 3 | 225 (44.8%) |
| Grades 3–4 | 2 (0.40%) |
| Grade 4 | 9 (1.79%) |
| Grade unavailable | 21 (4.2%) |
| Stage | |
| Stage I | 242 (48.2%) |
| Stage II | 156 (31.1%) |
| Stage III | 87 (17.3%) |
| Stage IV | 7 (1.4%) |
| Stage unavailable | 10 (2.0%) |
Abbreviation: TCGA, The Cancer Genome Atlas.