Table 1 Comparison of anthropometric characteristics between groups according to energy availability level

All

> 30

< 30

p

Effect size

N

18

12

6

Age (years)

16.8 ± 0.9

16.8 ± 0.9

16.8 ± 0.8

>0.99

<0.01

Height (cm)

160.3 ± 5.8

159.2 ± 6.5

162.6 ± 3.3

0.261

0.56

Body mass (kg)

45.6 ± 5.2

43 ± 3.6

51 ± 3.4

<0.001

2.14

BMI (kg⋅m⁻²)

17.7 ± 1.3

16.9 ± 0.5

19.3 ± 1.0

0.001

3.22

% fat (%)

13.5 ± 4.2

12.0 ± 2.6

16.6 ± 5.2

0.084

1.21

Fat mass (kg)

6.3 ± 2.6

5.2 ± 1.3

8.6 ± 3.2

0.047

1.56

Fat free mass (kg)

39.3 ± 3.5

37.8 ± 3.2

42.4 ± 1.4

0.005

1.56

BMD_TBLH (g⋅cm⁻²)

1.021 ± 0.039

1.006 ± 0.037

1.049 ± 0.027

0.024

1.18

Z-score (TBLH)

0.1 ± 0.5

−0.1 ± 0.5

0.4 ± 0.3

0.042

1.05

Amenorrhea (%)

50

41.7

66.7

0.620

0.24