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Table 2 Comparison of participant characteristics between hypo- and normo-ferritinemia in female practitioners

From: Prevalence of iron deficiency among university kendo practitioners in Japan: an observational cohort study

Variables Hypo-ferritinemia (n = 7) Normo-ferritinemia (n = 10)
Participant Characteristics
 Age (years) 20 [19, 21] 21 [20, 21]
 Years of sports/athletics 12 [8, 15] 15 [14, 16]
 Body mass index (kg/m2)* 25.6 [24.2, 26.9] 22.6 [21.7, 24.1]
 Body fat percentage* 28.0 [27.4, 29.1] 24.1 [21.0, 24.8]
 Previous history of anemia 2 (29) 1 (11)
 Previous use of iron supplements 3 (43) 2 (22)
Anemia Status
 Hemoglobin (g/dL) 13.3 [12.8, 13.8] 13.6 [13.2, 14.2]
 Hematocrit (%) 41.7 [39.9, 43.2] 42.2 [40.7, 44.6]
 MCV (fL) 94 [93, 96] 94 [92, 95]
 MCH (pg) 29.8 [29.4, 30.5] 30.2 [29.7, 30.8]
 MCHC (g/dL) 31.9 [31.6, 32.3] 32.0 [31.7, 32.5]
  1. Data are shown as median [lower and upper interquartile range] or number (percentage). *p < 0.05 for the comparison between hypo- and normo-ferritinemia groups