From: Adjuvant therapy for retroperitoneal sarcoma: a meta-analysis
Categories | Studies | Patients | Model | HR (95%CI) | Heterogeneity | ||||
---|---|---|---|---|---|---|---|---|---|
value | z | P-value | X2 | I2 | P-value | ||||
OS | |||||||||
 Adjuvant radiotherapy | 14 | 20,564 | Fixed | 0.80 (0.76–0.84) | 8.66 |  < 0.0001 | 14.86 | 13% | 0.32 |
 Adjuvant chemotherapy | 6 | 9342 | Random | 1.11 (0.95–1.29) | 1.32 | 0.19 | 12.08 | 59% | 0.03 |
 Sensitivity analysis of adjuvant chemotherapy | 5 | 5450 | Fixed | 1.19 (1.08–1.30) | 3.68 | 0.0002 | 1.35 | 0% | 0.85 |
RFS | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Adjuvant radiotherapy | 4 | 1454 | Fixed | 0.61 (0.47–0.79) | 3.78 | 0.0002 | 1.27 | 0% | 0.74 |
 Adjuvant chemotherapy | 2 | 1238 | Fixed | 1.30 (0.96–1.77) | 1.68 | 0.09 | 0.04 | 0% | 0.85 |
LR | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Adjuvant radiotherapy | 2 | 215 | Random | 0.31 (0.13–0.71) | 2.78 | 0.005 | 2.78 | 54% | 0.14 |
MFS | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Adjuvant chemotherapy | 2 | 1238 | Fixed | 0.69 (0.45–1.06) | 1.69 | 0.09 | 0.04 | 0% | 0.84 |