Table 1.
Characteristics And 2-Year PFS Of 59 Patients Assessed By Interim PET/CT Scan After 3 Or 4 Cycles Of Therapy
| Variable | Value | Progression/n | 2-Year PFS (%) | Χ2 | P |
|---|---|---|---|---|---|
| Age (year) | >60 | 4/25 | 79.0 | 0.056 | 0.813 |
| ≤60 | 6/34 | 79.8 | |||
| Gender | Female | 4/34 | 83.9 | 1.193 | 0.275 |
| Male | 6/25 | 73.1 | |||
| IPI | High (IPI=3,4,5) | 7/21 | 58.6 | 5.161 | 0.023 |
| Low (IPI=0,1,2) | 3/38 | 93.9 | |||
| Stage | High (Stage=3,4) | 8/31 | 72.8 | 2.161 | 0.142 |
| Low (Stage=1,2) | 2/28 | 91.5 | |||
| I-PET | Positive (DS=4,5) | 3/8 | 57.1 | 2.063 | 0.151 |
| Negative (DS=1,2,3) | 7/51 | 83.4 | |||
| Stime (months) | Median (min-max) | - | 23 (4–76) | - | - |
| Progress or not | Progress | - | 16.9 (10/59) | - | - |
Abbreviations: 2-year PFS, two-year progression-free survival rate; IPI, International Prognostic Index; I-PET, interim positron emission tomography/computed tomography; Stime, survival time.