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Comparison of survival data between the two groups
| Group | PFS (months) | OS (months) |
|---|---|---|
| CG | 6.0±1.95 | 17.8±5.15 |
| OG | 8.1±3.01 | 22.6±5.17 |
| t | 3.207 | 3.603 |
| p | 0.03 | 0.01 |
PFS: progression-free survival; OS: overall survival; CG: control group; OG: observation group.
