Table 1.
Characteristics of 1,203 patients with CCAL
| Characteristics | Number |
|---|---|
| Total patients | 1,203 |
| Age (years) | 65.2±10.9 |
| Gender | |
| Female | 588 (48.9%) |
| Male | 615 (51.1%) |
| Ethnicity | |
| White | 1,024 (85.2%) |
| Black | 127 (10.6%) |
| Others (American Indian, Alaska Native, Asian, Pacific Islander) | 50 (4.2%) |
| Unknown | 2 |
| Pathological differentiation | |
| Well | 46 (5.9%) |
| Moderate | 214 (27.5%) |
| Poor | 458 (58.9%) |
| Undifferentiated | 59 (7.7%) |
| Unknown | 426 |
| Summary stage | |
| Distant | 381 (32.6%) |
| Regional | 400 (34.3%) |
| Localized | 386 (33.1%) |
| Unstaged | 36 |
| Laterality | |
| Left | 490 (41.6%) |
| Right | 674 (57.2%) |
| Bilateral | 14 (1.2%) |
| Unknown | 25 |
| Primary site | |
| Main bronchus | 27 (2.5%) |
| Upper lobe, lung | 665 (61.8%) |
| Middle lobe, lung | 64 (5.9%) |
| Lower lobe, lung | 300 (27.9%) |
| Overlapping lesion of lung | 21 (1.9%) |
| Lung, not otherwise specified | 126 |
| Tumor stage | |
| T1 | 267 (29.7%) |
| T2 | 391 (43.5%) |
| T3 | 71 (7.9%) |
| T4 | 170 (18.9%) |
| Unknown | 304 |
| Tumor size (mm) | 39.9±23.7 |
| Lymph node metastases | |
| N0 | 570 (55.3%) |
| N1 | 122 (11.8%) |
| N2 | 260 (25.2%) |
| N3 | 79 (7.7%) |
| Unknown | 172 |
| Distant metastases | |
| Yes | 316 (27.4%) |
| No | 838 (72.6%) |
| Unknown | 49 |
| TNM stage | |
| I | 427 (39.7%) |
| II | 93 (8.7%) |
| III | 239 (22.2%) |
| IV | 316 (29.4%) |
| Unknown | 128 |
| Surgery | |
| Yes | 718 (59.9%) |
| No | 480 (40.1%) |
| Unknown | 5 |
| Surgery type | |
| Pneumonectomy | 44 (6.2%) |
| Lobectomy/bilobectomy | 534 (74.7%) |
| Partial resection | 137 (19.2%) |
| Unknown | 3 |
| Radiation | |
| Yes | 359 (30.5%) |
| No | 818 (69.5%) |
| Unknown | 26 |
Notes: Data presented as n, n (%), or mean ± SD. Percentage values have not been included for ‘Unknown’ data.
Abbreviation: CCAL, clear cell adenocarcinoma of the lung.