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Table 3 Mean (SD) of undercarboxylated osteocalcin (ucOC) by age groups

From: Vitamin K deficiency, evaluated with higher serum ucOC, was correlated with poor bone status in women

Age group (years)

40–49

50–59

60–69

70–79

80 over

p value

Men

(n = 30)

(n = 46)

(n = 140)

(n = 124)

(n = 18)

 

 ucOC (ng/mL)

3.1 (1.1)

3.1 (1.3)

3.6 (2.6)

3.8 (3.7)

5.9 (6.1)a

0.018

Women

(n = 27)

(n = 87)

(n = 189)

(n = 178)

(n = 22)

 

 ucOC (ng/mL)

3.5 (1.7)

6.0 (3.4) b

5.9 (4.3)b

5.3 (3.7)

4.7 (3.7)

0.016

  1. ap < 0.05 compared with the age groups of 40–49, 50–59, and 60–69 years
  2. bp < 0.05 compared with the age group of 40–49 years