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Table 1 Characteristics of 262 adults with iron deficiency or depletion1

From: Pica associated with iron deficiency or depletion: clinical and laboratory correlates in 262 non-pregnant adult outpatients

Characteristic White women (184) White men (31) Black women (46) Black men (1)
Age, y 54 ± 16 62 ± 16 42 ± 15 58
Body mass index, kg/m2 28.9 ± 7.6 29.0 ± 6.3 32.0 ± 9.4 29.6
Pica, % (n) 42.9 (79) 32.3 (10) 63.0 (29) 0
Fatigue, % (n) 41.3 (76) 41.9 (13) 54.3 (25) 100.0 (1)
Cardiopulmonary symptoms, % (n) 28.8 (53) 38.7 (12) 60.9 (28) 0
Epithelial manifestations, % (n) 26.1 (48) 16.1 (5) 19.6 (9) 0
Mental manifestations, % (n) 6.0 (11) 6.5 (2) 0 0
Neuromuscular symptoms, % (n) 4.9 (9) 6.5 (2) 6.5 (3) 0
Gastrointestinal blood loss, % (n) 42.4 (78) 77.4 (24) 17.4 (8) 100.0 (1)
Reproductive blood loss, % (n) 30.4 (56) - 60.9 (28) -
Medical blood loss, % (n) 14.1 (26) 9.7 (3) 4.4 (2) 0
Hematuria, % (n) 1.6 (3) 0 0 0
Epistaxis, % (n) 0 6.5 (2) 0 0
Chronic malabsorption, % (n) 12.0 (22) 3.2 (1) 13.0 (6) 0
Unknown cause of iron deficiency/depletion, % (n) 6.5 (12) 9.7 (3) 8.7 (4) 0
Hemoglobin, g/L 106 ± 19 105 ± 25 93 ± 20 13.6
MCV, fL 79.5 ± 9.9 78.6 ± 8.2 72.5 ± 16.2 81.0
RBC × 1012/L 4.14 ± 0.63 4.16 ± 0.81 3.93 ± 0.69 5.45
RDW, % 17.3 ± 2.8 18.7 ± 3.5 19.3 ± 4.4 16.8
Platelets × 109/L 327 ± 135 264 ± 84 367 ± 125 199
Lymphocytes × 109/L 2.0 ± 0.9 1.8 ± 0.9 2.0 ± 0.9 3.7
Neutrophils × 109/L 4.5 ± 2.2 4.4 ± 2.0 3.6 ± 1.5 3.4
SI, μmol/L 7 ± 5 7 ± 4 8 ± 6 9
TIBC, μmol/L 74 ± 13 70 ± 14 71 ± 14 60
TS, % 10 ± 7 11 ± 8 10 ± 6 15
SF, pmol/L 29 ± 25 36 ± 25 27 ± 22 58
Cancer in remission, % (n) 11.4 (21) 22.6 (7) 13.0 (6) 100.0 (1)
CVID, % (n) 21.2 (39) 0 0 0
Diabetes mellitus, % (n) 15.2 (28) 19.4 (6) 13.0 (6) 0
Hemochromatosis, % (n) 2.7 (5) 0 0 0
Anemia, % (n) 46.2 (85) 90.3 (28) 93.5 (43) 0
Thrombocytosis, % (n) 14.1 (26) 0 21.7 (10) 0
Thrombocytopenia, % (n) 3.8 (7) 9.7 (3) 0 0
Iron deficiency, % (n) 63.6 (117) 48.4 (15) 69.6 (32) 0
Iron deficiency and anemia, % (n) 46.7 (86) 35.5 (11) 63.0 (29) 0
  1. 1Results are expressed as mean ± 1 SD or as percentage (n). Abbreviations: MCV, mean corpuscular volume; RBC, red blood cells; RDW, red blood cell distribution width; SI, serum iron; TIBC, total iron-binding capacity; TS, transferrin saturation; SF, serum ferritin; CVID, common variable immunodeficiency.