Table 2: Frequency of anemia and low ferritin in males, females, and all subjects.

MalesFemalesTotal value

Normal hemoglobin level104 (79.4%)136 (82.9%)240 (81.3%)0.26
Anemia27 (20.6%)28 (17.1%)55 (18.7%)
Normal ferritin levels21 (16%)28 (17%)49 (16.6%)0.47
Low ferritin levels110 (84%)136 (83%)246 (83.4%)