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Table 2 Summary of results

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          
 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          
 Adjuvant radiotherapy 2 215 Random 0.31 (0.13–0.71) 2.78 0.005 2.78 54% 0.14
MFS          
 Adjuvant chemotherapy 2 1238 Fixed 0.69 (0.45–1.06) 1.69 0.09 0.04 0% 0.84
  1. CI, confidence interval; HR, hazard ratio; LR, local recurrence; OS, overall survival; RFS, recurrence-free survival