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Table 1 Summary of participant characteristics and hematological traits

From: Association between the ABO locus and hematological traits in Korean

Variables Mean ± standard deviation
Sample size (n) 6675
Age (years) 50.1 ± 8.8
Male (%) 47.7
Ansung (%) 50.5
WBC count (103/μl) 6.4 ± 1.9
RBC count (106/μl) 4.4 ± 0.4
Hb (g/dl) 13.8 ± 1.6
Hct (%) 41.2 ± 4.4
Platelet count (103/μl) 244.3 ± 60.1
MCV (fl) 93.9 ± 5.3
MCH (pg) 31.2 ± 2.0
MCHC (g/dl) 33.2 ± 1.3
  1. Note. WBC: white blood cell, RBC: red blood cell, Hb: hemoglobin, Hct: hematocrit, MCV: mean corpuscular volume, MCH: mean corpuscular hemoglobin, MCHC: mean corpuscular hemoglobin concentration.