Table 2.
Progress free survival time and overall survival time of patients before and after PSM
| Variable | N | OS (months) | PFS (months) | ||
|---|---|---|---|---|---|
| Median | 95%CI | Median | 95%CI | ||
| Before PSM | |||||
| AS | 62 | 13.27 | 11.35–15.19 | 10.07 | 8.40–12.09 |
| SOX | 81 | 11.17 | 9.61–12.72 | 6.70 | 5.51–7.89 |
| AS (non-intestinal) | 58 | 13.27 | 11.46–15.09 | 10.07 | 8.12–12.02 |
| SOX (non-intestinal) | 55 | 9.90 | 7.71–12.09 | 6.53 | 4.31–8.76 |
| AS (diffuse) | 42 | 14.23 | 11.70–16.77 | 10.07 | 7.81–12.33 |
| SOX (diffuse) | 35 | 8.83 | 6.67–11.00 | 4.60 | 3.54–5.66 |
| After PSM | |||||
| AS | 54 | 14.13 | 11.96–16.31 | 10.30 | 7.06–13.54 |
| SOX | 54 | 11.17 | 9.09–13.24 | 6.70 | 6.08–7.33 |
| AS (non-intestinal) | 50 | 14.23 | 12.14–16.33 | 10.30 | 7.53–13.07 |
| SOX (non-intestinal) | 39 | 9.90 | 7.30–12.50 | 6.87 | 5.26–8.48 |
| AS (diffuse) | 34 | 15.93 | 13.58–18.28 | 10.30 | 7.27–13.33 |
| SOX (diffuse) | 24 | 8.83 | 6.51–11.15 | 4.60 | 2.25–6.95 |
OS, overall survival time; PFS, progress free survival time; CI, confidence intervals; non-intestinal, including diffuse lauren type and mixed lauren type; PSM, propensity score matching; N, number