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Table 3 Serum micronutrient status of the children

From: High prevalence of vitamin D insufficiency and its association with BMI-for-age among primary school children in Kuala Lumpur, Malaysia

  Boys Girls Total *Pvalue
   N (%)   
Ferritin (μg/L)     0.313
   Low (< 12) 2 (1.1) 7 (3.2) 9 (2.2)  
   Normal (12 - 140) 174 (97.2) 213 (95.9) 387 (96.5)  
   High (> 140) 3 (1.7) 2(0.9) 5 (1.2)  
   Total 179 (100) 222 (100) 401 (100)  
Haemoglobin (g/L)     
   Low (< 110) 1 (0.6) 8 (3.6) 9 (2.2) 0.080
   Normal (110 - 150) 179 (99.4) 213 (95.9) 392 (97.5)  
   High (> 150) 0 1 (0.5) 1 (0.2)  
   Total 180 (100) 222 (100) 402 (100)  
Mean Corpuscular Volume (MCV) (fL)     
   Low (< 75) 21 (11.7) 37 (16.7) 58 (14.4) 0.156
   Normal (75 - 93) 159 (88.3) 185 (83.3) 344 (85.6)  
   Total 180 (100) 222 (100) 402 (100)  
Iron Deficiency Anaemia     
   (Ferritin <12 μg/L + Hb <110 g/L + MCV <75 fL) 1 (0.6) 0 1 (0.2) -
  180 (100) 222 (100) 402 (100)  
Serum Zinc (μmol/L)     
   Low (< 9.0) 1 (0.6) 4 (1.8) 5 (1.2) 0.458
   Normal (9.0 - 18.0) 177 (98.3) 217(97.7) 394 (98.0)  
   High (> 18.0) 2 (1.1) 1 (0.5) 3 (0.7)  
   Total 180 (100) 222 (100) 402 (100)  
Vitamin B 12 (ρmol/L)     
   Normal (> 185) 179 (100) 222 (100) 401 (100) -
Folate (nmol/L)     
   Normal (> 5.7) 179 (100) 222 (100) 401 (100) -
25-hydroxyvitamin D (nmol/L)     
   Deficiency (≤37.5) 51 (28.3) 91 (41.0) 142 (35.3) 0.010
   Insufficiency (> 37.5 - 50.0) 68 (37.8) 81 (36.5) 149 (37.1)  
   Sufficiency (> 50.0) 61 (33.9) 50 (22.5) 111 (27.6)  
   Total 180 (100) 222 (100) 402 (100)  
  1. *Pearson χ2 p value, with significance at P < 0.05
  2. References for classification of serum micronutrients:
  3. Haemoglobin and Mean Corpuscular Volume: [9]
  4. Ferritin: [10]
  5. Zinc: [11]
  6. Vitamin B12 and Folate: [12]
  7. Vitamin D: [13])