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Table 1 Characteristics of studies included in the meta-analysis

From: Prognostic role of RDW in hematological malignancies: a systematic review and meta-analysis

Study Year Country Cancer types Sample size Cut-off Age Follow-up (month) Survival analysis HR NOS score
Zhou 2017 China DLBCL 161 14.1 59 (18–80) 42 (6–120) OS, PFS Reported 7
Wang 2017 China MM 196 18.05 65 (33–82) 33.5 (1–120) OS Reported 7
Meng 2017 China MM 166 14 61.6 17.79 (0.63–62.83) OS, PFS Reported 4
Luo 2017 China NK/T lymphoma 191 46.2a 44 (15–86) 30 (2–97) OS, PFS Reported 7
Perisa 2015 Croatia DLBCL 81 15 64 NR OS, EFS Reported 5
Iriyama 2015 Japan CML 90 15 NR 168 OS, EFS Estimated 5
Lee 2014 Korea MM 146 14.5 61 (32–83) 120 PFS Reported 6
  1. NR not reported, NOS Newcastle–Ottawa Quality Assessment Scale
  2. aRDW was present as RDW-SD
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