Table 1. Patients characteristics in tissue microarray (TMA) dataset I.
| Characteristic | TMA I (N=352) |
|---|---|
| Median age | |
| Years (Range) | 66 (34-90) |
| Gender | |
| Female | 189 (53.7%) |
| Male | 160 (45.5%) |
| Histology | |
| Adenocarcinoma | 231 (65.6%) |
| Squamous cell carcinoma | 121 (34.3%) |
| Ethnicity | |
| Caucasian | 313 (88.9%) |
| Asian | 14 (4.0%) |
| African American | 15 (4.3%) |
| Hispanic | 10 (2.8%) |
| Smoking status* | |
| Never | 63 (17.9%) |
| Former | 174 (49.4%) |
| Current | 114 (32.4%) |
| Unknown | 1 (0.3%) |
| Pathological T stage† | |
| T1 | 130 (36.9%) |
| T2 | 185 (52.6%) |
| T3 | 18 (5.1%) |
| T4 | 20 (5.7%) |
| Pathological N stage† | |
| N0 | 253 (71.9%) |
| N1 | 60 (17.0%) |
| N2 | 39 (11.1%) |
| Nx | |
| Final Stage† | |
| I | 225 (63.9%) |
| II | 65 (18.5%) |
| III | 50 (14.2%) |
| IV | 12 (3.4%) |
*
Smoking history was assigned based on the CDC definitions (Accessed on Jun 29, 2010. http://www.cdc.gov/nchs/nhis/tobacco/tobacco_glossary.htm)
Never smoker: An adult who has never smoked, or who has smoked less than 100 cigarettes in his or her lifetime. Former smoker: An adult who has smoked at least 100 cigarettes in his or her lifetime but who had quit smoking at the time of interview. Current smoker: An adult who has smoked 100 cigarettes in his or her lifetime and who currently smokes cigarettes.
†
According to the American Joint Committee on Cancer Staging Manual 6th edition.