Journal of Osteoporosis

Research Article

Bone Mineral Density of Adolescent Female Tennis Players and Nontennis Players

Table 2

Bone mineral density measurements of adolescent tennis players and nontennis players.
BMD (g/cm2) Tennis players ( 𝑛 = 1 9 ) Nontennis Players ( 𝑛 = 1 9 )Percent difference§95% confidence interval of the difference
𝑃
Total body 1 . 1 5 4 ± 0 . 0 7 1 . 1 3 7 ± 0 . 0 9 1.5.530 − 0 . 0 3 7 0.070
Lumbar spine 1 . 0 1 1 ± 0 . 0 8 1 . 4 1 8 ± 1 . 9 6 28.7.372 − 1 . 3 1 9 0.505
Total hip 1 . 0 2 5 ± 0 . 0 8 0 . 9 7 6 ± 0 . 1 2 4.7.140 − 0 . 0 1 7 0.116
Femoral neck 0 . 9 0 0 ± 0 . 0 9 ∗ 0 . 8 2 0 ± 0 . 1 2 8.9.020 0 . 0 1 3 0.146
Dominant arm 0 . 5 6 3 ± 0 . 0 5 0 . 5 6 3 ± 0 . 0 5 0.971 − 0 . 0 3 3 0.032
Nondominant arm 0 . 5 5 3 ± 0 . 0 4 0 . 5 5 7 ± 0 . 0 5 0.7.481 − 0 . 0 3 4 0.025
Values other than percentages are means and standard deviations.
§Percent difference between tennis and nontennis players.
*Tennis players significantly higher than controls ( 𝛼 = . 0 5 ).