Table 1-2. Patients demographics with KRAS mutation (n = 323 for KRAS).
| Demographic parameters | KRAS Mu n = 28 |
KRAS WT n = 295 |
Total n = 323 |
P value |
|---|---|---|---|---|
| Age, yr (range) | 65.96 (43-85) | 65.50 (25-88) | 65.60 (25-88) | |
| Sex (M:F) | ||||
| Male | 22 (78.57) | 199 (67.45) | 221 (68.42) | |
| Female | 6 (21.43) | 96 (32.55) | 102 (31.58) | |
| Smoking history | < 0.001 | |||
| Current | 10 | 112 | 122 | |
| Ex-smoker | 9 | 75 | 84 | |
| Non-smoker | 4 | 108 | 112 | |
| Unknown | 5 | 0 | 5 | |
| Smoker | 19 (67.85) | 187 (63.38) | 206 (63.77) | |
| Non-smoker | 9 (32.15) | 108 (36.62) | 117 (36.23) | |
| Diagnostic tool | ||||
| Cytology (%) | 4 (8.34) | 44 (91.66) | 48 (14.86) | |
| Biopsy (%) | 21 (9.30) | 205 (90.70) | 226 (69.96) | |
| Resection (%) | 3 (6.63) | 46 (93.87) | 49 (15.18) | |
| Cytology (%) | 4 (8.34) | 44 (91.66) | 48 (14.86) | |
| Non-cytology (%) | 24 (8.73) | 251 (91.27) | 275 (85.14) |