Cutoff value | Number of patients | 5-year overall survival (%) | χ2b | P valueb |
---|---|---|---|---|
≤ 7 vs > 7 | 215 vs 2538 | 35.8 vs 21.2 | 28.902 | 7.61 × 10−8 |
≤ 8 vs > 8 | 436 vs 2317 | 35.3 vs 19.9 | 63.197 | 1.87 × 10−15 |
≤ 9 vs > 9 | 646 vs 2107 | 34.0 vs 18.8 | 86.210 | 1.62 × 10−20 |
≤ 10 vs > 10 | 846 vs 1907 | 34.1 vs 17.1 | 127.873 | 1.20 × 10−29 |
≤ 11 vs > 11 | 1011 vs 1742 | 32.4 vs 16.5 | 128.609 | 8.26 × 10−30 |
≤ 12 vs > 12 | 1172 vs 1581 | 31.0 vs 16.0 | 138.384 | 6.01 × 10−32 |
≤ 13 vs > 13 | 1333 vs 1420 | 30.7 vs 14.5 | 157.671a | 3.65 × 10−36 |
≤ 14 vs > 14 | 1501 vs 1252 | 29.2 vs 14.1 | 148.822 | 3.13 × 10−34 |
≤ 15 vs > 15 | 1647 vs 1106 | 28.3 vs 13.5 | 143.757 | 4.02 × 10−33 |
≤ 16 vs > 16 | 1797 vs 956 | 27.2 vs 13.2 | 124.495 | 6.57 × 10−29 |
≤ 17 vs > 17 | 1898 vs 855 | 26.3 vs 13.5 | 111.424 | 4.78 × 10−26 |
≤ 18 vs > 18 | 1996 vs 757 | 25.9 vs 12.8 | 109.305 | 1.39 × 10−25 |
≤ 19 vs > 19 | 2083 vs 670 | 25.6 vs 12.2 | 103.929 | 2.10 × 10−24 |
≤ 20 vs > 20 | 2165 vs 588 | 25.0 vs 12.5 | 83.056 | 7.97 × 10−20 |