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Table 4 Pearson’s correlation coefficients between tibia strength, BMD, medullary area and serum biochemical indices at week 42

From: Vitamin K alleviates bone calcium loss caused by Salmonella Enteritidis through carboxylation of osteocalcin

Week 42

Tibia strength

BMDa

Medullary area

Serum Cab

CTc

PTHd

cOCe

ucOCf

cOC/(cOC + ucOC)

Tibia strength

1.00

        

BMDa

−0.43

1.00

       

medullary area

0.11

−0.52

1.00

      

Serum Cab

−0.63

0.39

−0.19

1.00

     

CTc

−0.72

0.66

−0.51

0.94

1.00

    

PTHd

−0.35

0.75

−0.58

0.82

0.89

1.00

   

cOCe

−0.40

0.55

−0.52

0.93

0.99*

0.94

1.00

  

ucOCf

−0.42

0.58

−0.38

0.93

0.93

0.96*

0.96*

1.00

 

cOC/(cOC + ucOC)

0.38

−0.78

0.61

−0.82

− 0.90

−1.00*

−0.95*

− 0.96*

1.00

  1. aBMD Bone mineral density
  2. bSerum Ca Serum calcium
  3. cCT Calcitonin
  4. dPTH Parathyroid hormone
  5. ecOC Carboxylated osteocalcin
  6. fucOC Undercarboxylated osteocalcin
  7. *Correlation is significant at P < 0.05
  8. Note: The correlation is based on the 6 samples, n = 6/treatment, the tibia parameters were the average values of both sides