Abstract
The prognostic value of absolute lymphocytic count (ALC) has been a recent matter of debate in the study of non-Hodgkin-lymphoma. To evaluate the prognostic value of ALC at diagnosis in patients with diffuse large B-cell lymphoma (DLBCL), we performed a meta-analysis of published studies that provided survival information with reference to ALC at diagnosis. Six studies covering a total of 1,206 subjects were included in this analysis. The summary hazard ratios of low ALC for overall survival were 2.72 (95% confidence interval (CI) 2.15–3.45, P < 0.001) in the entire population, 2.96 (95% CI 2.04–4.29, P < 0.001) in the population that received CHOP, and 2.78 (95% CI 1.87–4.13, P < 0.001) in the population that received R-CHOP. The corresponding ratios for progression-free survival were 2.79 (95% CI 1.90–4.11, P < 0.001) in the entire population, and 2.56 (95% CI 1.66–3.96, P < 0.001) in the population that received R-CHOP. In conclusion, our systematic analysis suggests that low ALC has an adverse effect on outcome in DLBCL. Although it should be borne in mind that this meta-analysis was mainly based on data abstracted from observational studies, these results may justify risk-adapted therapeutic strategies for DLBCL to account for ALC at diagnosis.
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Acknowledgments
We thank the library of Zhejiang University for entering database and acquiring full texts. This study was supported in part by grants from the National Natural Science Foundation of China (No. 30170391, No. 30971283, No. 81170502), the Natural Science Foundation of Zhejiang Province (No. Z205166) and the Zhejiang Provincial Fund of Science and Technology Bureau (No. 2007C23007).
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Feng, J., Wang, Z., Guo, X. et al. Prognostic significance of absolute lymphocyte count at diagnosis of diffuse large B-cell lymphoma: a meta-analysis. Int J Hematol 95, 143–148 (2012). https://doi.org/10.1007/s12185-011-0993-6
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DOI: https://doi.org/10.1007/s12185-011-0993-6