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Table 4 Baseline measurements and the 6-month and 12-month percent change for bone marker concentrations and BMD

From: A case report of recovery of menstrual function following a nutritional intervention in two exercising women with amenorrhea of varying duration

 

Participant 1

Participant 2

Bone markers

  

 P1NP (μg/L)

52.90

36.95

  6 month % change

5.6

22.6

  12 month % change

49.6

51.6

 CTx (ng/ml)

0.65

0.64

  6 month % change

−23.1

−29.0

  12 month % change

17.7

−36.1

Bone mineral density

  

 Lumbar spine Z-score

−1.6

−1.4

 Lumbar spine BMD (g/cm2)

0.983

1.056

  6 month % change

1.7

2.6

  12 month % change

0.8

2.0

 Femoral neck Z-score

0.5*

−0.6

 Femoral neck BMD (g/cm2)

1.062

0.994

  6 month % change

−2.8

−0.3

  12 month % change

−4.3

1.4

 Hip Z-score

0.0*

−1.1

 Hip BMD (g/cm2)

0.996

0.955

  6 month % change

−1.3

−0.4

  12 month % change

−2.0

1.9

  1. *Z-score at month 6.
  2. BMD: bone mineral density; CTx: collagen type 1 cross-linked C-telopeptide;
  3. P1NP: pro-collagen type 1 amino-terminal propeptide.
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Journal of the International Society of Sports Nutrition

ISSN: 1550-2783

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