Table 3.
Predictive value of K-RAS expression on mean and median overall survival in patients of non-small cell lung carcinoma-adenocarcinoma
| KRAS over-expression | Mean | Median | ||||||
|---|---|---|---|---|---|---|---|---|
| Estimate | SE | 95% CI | Estimate | SE | 95% CI | |||
| Lower bound | Upper bound | Lower bound | Upper bound | |||||
| Positive | 9.636 | 1.528 | 6.640 | 12.631 | 8.000 | 1.975 | 4.129 | 11.871 |
| Negative | 10.407 | 1.047 | 8.355 | 12.459 | 10.000 | 0.960 | 8.119 | 11.881 |
| Overall | 10.349 | 0.894 | 8.597 | 12.101 | 10.000 | 1.004 | 8.032 | 11.968 |
Estimation is limited to the largest survival time if it is censored. CI: Confidence interval; SE: Standard deviation, KRAS: Kirsten rat sarcoma virus