Table 1.
Clinicopathological Characteristics of Rapid Cohort
| Clinical Characteristic | EGFR Status | P | |
|---|---|---|---|
| Wild Type (n = 199) | Mutation Positive* (n = 44) | ||
| Age at diagnosis, years | .5 | ||
| Median | 69.1 | 67.3 | |
| Range | 34.1-92 | 42-86 | |
| Sex | .1229 | ||
| Male | 81 (41) | 12 (27) | |
| Female | 118 (59) | 32 (73) | |
| Ethnicity | .1950 | ||
| Asian | 13 (7) | 7 (16) | |
| Black | 3 (1.5) | 2 (5) | |
| White | 170 (85) | 33 (75) | |
| Hispanic | 3 (1.5) | 0 (0) | |
| Other | 2 (1) | 1 (2) | |
| Unknown | 8 (4) | 1 (2) | |
| Smoking history | < .001 | ||
| Never | 51 (26) | 32 (73) | |
| Light (≤ 10 pack years) | 44 (22) | 5 (11) | |
| Heavy (> 10 pack years) | 93 (46) | 6 (14) | |
| Unknown | 11 (6) | 1 (2) | |
| Histology | < .001 | ||
| Adenocarcinoma | 161 (81) | 44 (100) | |
| Squamous | 12 (6) | 0 (0) | |
| Poorly differentiated carcinoma | 13 (6.5) | 0 (0) | |
| Other | 13 (6.5) | 0 (0) | |
NOTE. Data are No. (%) unless otherwise noted in the row heading. Characteristics noted are at diagnosis. P values result from t test (age), Fisher’s exact test (sex, histology), or χ2 test (ethnicity, smoking).
*
Includes the patient with a false-negative EGFR-positive result.