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Table 4 Correlation between serum Preptin (ng/l) of controls and breast milk Preptin (ng/l) with different variables

From: Assessment of Preptin peptide level in the sera of rachitic children and in breast milk of their mothers

variable

Serum Preptin

(ng/l)

Breast milk Preptin

(ng/l)

r

P

r

P

Serum Preptin (ng/l)

  

0.87

0.001**

Demographic data of Infants

Age (mo)

- 0.35

0.1

0.14

0.6

Weight(kg)

0.37-

0.1

0.20

0.2

Length(cm)

- 0.42

0.1

0.31

0.2

HC(cm)

- 0.16

0.2

0.05

0.8

Demographic data Of mother

Age (year)

- 0.03

0.9

−0.59

0.01*

Parity (no)

- 0.15

0.7

−0.50

0.05

Height(cm)

0.01

0.1

−0.24

0.3

Weight(kg)

- 0.19

0.4

0.16

0.5

BMI(kg/m2)

0.07

0.8

−0.24

0.3

Laboratory data

Calcium (mg/dl)

0.53

0.04*

−0.10

0.7

Phosphorus (mg/dl)

0.001

0.9

0.05

0.8

Alkaline phosphatase (IU/L)

0.008

0.9

−0.22

0.4

Serum 25(OH) Vitamin D (ng/dl)

0.058

0.838

0.496

0.060*

  1. Pearson and Spearman correlation
  2. *Significant (P < 0.05) **Highly significant (P < 0.01)