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Table 2 Sensitivity analysis

From: The role of EGFR mutation as a prognostic factor in survival after diagnosis of brain metastasis in non-small cell lung cancer: a systematic review and meta-analysis

Excluding study HR and 95% CI P value Heterogeneity (%) P value for heterogeneity
Hsiao [14] 0.75 (0.55–1.03) 0.073 84.3 < 0.001
Han [20] 0.75 (0.55–1.02) 0.069 85.1 < 0.001
Russo [21] 0.70 (0.51–0.96) 0.027 85.2 < 0.001
Baek [15] 0.76 (0.56–1.04) 0.087 84.2 < 0.001
Stanic (a) [22] 0.74 (0.54–1.02) 0.064 85.0 < 0.001
Stanic (b) [22] 0.70 (0.51–0.97) 0.033 85.2 < 0.001
Hsu [16] 0.74 (0.53–1.02) 0.065 84.7 < 0.001
Hendriks [23] 0.73 (0.53–1.00) 0.052 85.4 < 0.001
Iuchi [17] 0.76 (0.56–1.03) 0.076 81.8 < 0.001
Arrieta [30] 0.69 (0.54–0.89) 0.005 66.9 < 0.001
Lee [24] 0.75 (0.55–1.02) 0.070 85.0 < 0.001
Iuchi [18] 0.77 (0.57–1.04) 0.089 84.3 < 0.001
Li [25] 0.72 (0.52–1.00) 0.049 85.4 < 0.001
Luo [31] 0.69 (0.50–0.96) 0.026 84.9 < 0.001
Zhuang [26] 0.71 (0.52–0.96) 0.029 85.3 < 0.001
Tomasini [27] 0.73 (0.53–0.99) 0.046 85.4 < 0.001
Eichler [19] 0.75 (0.55–1.03) 0.073 84.4 < 0.001
Mak [28] 0.73 (0.53–1.01) 0.056 85.3 < 0.001
Wang [29] 0.73 (0.53–1.01) 0.056 85.3 < 0.001