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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