Table 2.
Local-regional progression-free survival in 120 stage IV NSCLC patients according to responses of primary tumors
| Variable | No. |
Survival rate (%) |
Median survival time (months) | 95% confidence interval | χ 2 | p | ||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 year | 2 year | 3 year | 5 year | |||||||
| CR |
11 |
63.6 |
42.4 |
31.8 |
31.8 |
20 |
8.5 |
31.5 |
2.065 |
0.356 |
| PR |
91 |
58.3 |
27.5 |
18.3 |
0 |
15 |
11.5 |
18.5 |
||
| SD |
18 |
50.0 |
35.7 |
26.8 |
26.8 |
10 |
1.9 |
18.1 |
||
| CR |
11 |
63.6 |
42.4 |
31.8 |
31.8 |
20 |
8.5 |
31.5 |
1.922 | 0.166 |
| PR + SD | 109 | 56.9 | 29.0 | 19.7 | 7.8 | 15 | 11.9 | 18.1 | ||