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Table 6 Sensitivity and specificity of elevated serum alkaline phosphatase concentration for identification of vitamin D deficiency defined using the 50 nmol/L 25(OH)D threshold

From: High prevalence of vitamin D deficiency among women of child-bearing age in Lahore Pakistan, associating with lack of sun exposure and illiteracy

Serum alkaline phosphatase

25(OH)D <50 nmol/L

25(OH)D ≥50 nmol/L

Sensitivity

Specificity

<280 IU/L

62

11

60.25 %

18.64 %

≥280 IU/L

94

48

  
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BMC Women's Health

ISSN: 1472-6874

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