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Patient Characteristics in original KRAS dataset
| Total | KRAS Codon 12 | KRAS Codon 13 | |
|---|---|---|---|
| Characteristic | N=677 | N=624 | N=53 |
| Age at Diagnosis (Stage IV) | |||
| Median | 66 | 66 | 64 |
| Range | 31-89 | 31-89 | 44-87 |
| Sex-(%) | |||
| Men | 260 (38) | 240 (38) | 20 (38) |
| Women | 417 (62) | 384 (62) | 33 (62) |
| Smoking history- (%) | |||
| Never-smoker | 48 (7) | 46 (7) | 2 (4) |
| Former/current smoker | 625 (92) | 576 (92) | 49 (93) |
| Median pack year | 38 | 35 | 40 |
| Range | 1-245 | 1-245 | 7-120 |
| Unknown | 4 | 2 | 2 |
