Table 2.
1-, 3- and 5-year overall survival rates by RPL subgroup
| RPL subgroup (%) | Cases | 1-YSR (%) | 3-YSR (%) | 5-YSR (%) | χ2 | P |
|---|---|---|---|---|---|---|
| 0 |
516 |
92 |
85 |
83 |
|
|
| 0 < RPL ≤ 5 |
10 |
90 |
50 |
18 |
31.508 |
0.000 |
| 5 < RPL ≤ 10 |
26 |
54 |
18 |
18 |
7.338 |
0.007 |
| 10 < RPL ≤ 15 |
11 |
36 |
8 |
0 |
0.056 |
0.813 |
| 15 < RPL ≤ 20 |
16 |
31 |
0 |
0 |
0.262 |
0.609 |
| 20 < RPL ≤ 30 |
9 |
22 |
0 |
0 |
3.965 |
0.046 |
| >30 | 21 | 11 | 0 | 0 | 0.447 | 0.504 |
RPL: ratio of positive and removed lymph nodes; YSR: year survival rate.