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Table 5 The bivariate metaregression analysis to explore heterogeneity for leucopenia according mean age and line of treatment simultaneously.

From: Risk of infection in patients with lymphoma receiving rituximab: systematic review and meta-analysis

Bivariate meta-regression model
Studies characteristics Leucopenia
  Res. Coeff. (CI 95%) P
Mean age 0% 0.99
(0.96 to 1.01)
Previous treatment   1.59
(0.91 to 2.78)
  1. The analysis confirms the results of subgroup analysis which indicates that the line of treatment is the best predictor of heterogeneity for severe leucopenia. Coeff. = regression coefficient in exponential form; Res. = residual heterogeneity