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Table 2 Main results of the pooled data in the meta-analysis

From: Meta-analysis of surgical resection and radiofrequency ablation for early hepatocellular carcinoma

Variables Number of references with data OR (95% CI) Q test (P value) I2(%) Z test (P value) Begg’s test (P value) Egger’s test (P value)
Overall survival rates
1 year 12 [16, 1921, 2427, 2932] 0.60(0.42, 0.86) 0.301 14.6 0.005 0.54 0.40
3 years 13 [16, 1921, 2432] 0.49(0.36, 0.65) 0.036 45.8 0.000 0.2 0.15
5 years 10 [16, 2432] 0.60(0.43, 0.84) 0.003 63.7 0.003 0.37 0.57
Recurrence rates
1 year 13 [16, 1921, 2432] 1.48(1.05, 2.08) 0.001 63.4 0.025 1.00 0.61
3 years 13 [16, 1921, 2432] 1.76(1.49, 2.08) 0.000 69.9 0.000 0.20 0.15
5 years 10 [16, 2432] 1.68(1.21, 2.34) 0.02 54.4 0.002 0.86 0.92
Local recurrence 4 [16, 20, 24, 30] 0.34(0.09, 1.28) 0.02 68.9 0.112 NA NA
Complications 7 [16, 19, 24, 25, 27, 30, 32] 6.25(3.12, 12.52) 0.042 54 0.000 1 0.982
  1. NA,not available.Q test and I2 were used to evaluate the heterogeneity of the studies; Z test was used to value the combined effect; Begg’s and Egger’s tests were used to assess the publication bias.