TABLE 3.

Correlation Coefficients for Associations of Bone-Density Measures With Nutritional Markers, Body-Composition Parameters, and Bone Age for All Subjects and for Athletes With Amenorrhea

	Correlation Coefficient
	Bone Age	Lean Mass	BMI z Score	IGF-I Level
All subjects
Lumbar BMD	0.40a	0.45b	0.46b	0.15
Lumbar BMD z score	0.05	0.38a	0.37a	0.23c
Lumbar BMAD	0.37a	0.17	0.42b	0.25c
Lumbar BMAD z score	0.25c	0.13	0.46b	0.28d
Hip BMD	0.11	0.46b	0.30d	0.13
Hip BMD z score	0.11	0.45b	0.26d	0.08
WB BMD	0.40a	0.49e	0.27d	0.07
WB BMD z score	0.16	0.45b	0.17	0.11
WB BMC/height	0.39a	0.60e	0.39a	0.08
WB BMC/height z score	0.07	0.50e	0.26d	0.02
PINP level	–0.82e	–0.16	–0.11	0.30d
N-telopeptide level	–0.69e	–0.02	0.03	–0.02
Athletes with amenorrhea
Lumbar BMD	0.55d	0.62a	0.06	0.39c
Lumbar BMD z score	0.18	0.40c	0.08	0.40c
Lumbar BMAD	0.40	0.40c	0.19	0.51d
Lumbar BMAD z score	0.11	0.26	0.19	0.53d
Hip BMD	0.31	0.45d	–0.37c	0.35
Hip BMD z score	0.08	0.33	–0.43d	0.36
WB BMD	0.65d	0.60a	–0.12	0.25
WB BMD Z–score	0.36	0.42c	–0.15	0.27
WB BMC/height	0.64d	0.64a	0.02	0.30
WB BMC/height z score	0.11	0.42c	–0.04	0.25
PINP level	–0.84b	–0.46d	0.09	0.17
N-telopeptide level	–0.64d	–0.57a	–0.20	–0.31

^aP < .01.

^bP < .001.

^cP < .1.

^dP < .05.

^eP < .0001.