Table 2.
Comparison of progression-free survival of two groups after PSM [case (%)].
| Group | Cumulative recurrence/survival rate (%) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1-year | 2-year | 3-year | 4-year | 5-year | 6-year | 7-year | 8-year | 9-year | 10-year | |
| Control | 61/70.56 | 105/49.18 | 121/41.01 | 129/36.54 | 139/30.72 | 146/25.58 | 150/21.23 | 152/18.65 | 152/18.65 | 152/18.65 |
| CHM | 27/86.88 | 54/73.17 | 72/63.15 | 79/58.63 | 86/53.06 | 91/48.12 | 93/45.32 | 95/41.62 | 95/41.62 | 96/39.02 |
| χ 2 | 16.661 | 26.479 | 23.207 | 24.039 | 27.191 | 29.663 | 32.151 | 32.379 | 32.379 | 31.312 |
| P value | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ | <0.001∗ |
∗p < 0.05, a significantly statistical difference between two groups.