Table 4.

Sensitivity analysis

Study selectionNo. studiesNo. patientsRR (95% CI)Test for overall effect (P)Test for heterogeneity (P)
Quality score = 241,7181.39 (1.28-1.50)<0.000010.86
Quality score = 1 or 292,2391.40 (1.31-1.51)<0.000010.37
First-line only101,6131.43 (1.31-1.57)<0.000010.24
Immunohistochemistry only46021.33 (1.14-1.55)0.00030.72
ELISA serum51,5321.40 (1.29-1.53)<0.000010.89
Other than immunohistochemistry or ELISA32552.00 (1.08-3.72)*0.03*0.008
All122,3791.42 (1.32-1.52)<0.000010.38
  • * Random effect model.