Case No.

Fatigue fracture (location)

Secondary amenorrhea

Period of amenorrhea (years of age)

BMD** (g/cm²)

Z-score

1

―

no

―

1.397

1.4

2

―

no

―

1.232

1.4

3

―

yes

19~21

1.402

1.9

4

4th lumbar

no

―

1.238

1.1

5

―

no

―

1.302

1.6

6

―

yes

18~20

1.064

0

7

―

no

―

1.288

1.7

8

―

no

―

1.226

0.9

9

Tibia

no

―

1.416

2.2

10

―

yes

17~19

1.36

1.9

11

―

no

―

1.356

0.9

12

―

no

―

1.518

3.1

13

―

no

―

1.164

0.5

Mean

1.305

1.43

S.D*

0.121

0.79