TABLE 2.
Bone outcome comparisons between PSPs, OSPs, and NPs.
| Fa | NP | OSP | PSP | NP vs OSPb | NP vs PSPb | OSP vs PSPb | |
|---|---|---|---|---|---|---|---|
| Males (N=102) | N=38 | N=16 | N=48 | ||||
| BSI | 0.0020 | 134.7 (4.7) | 152.3 (6.9) | 157.2 (4.0) | 0.038 | <.001 | 0.543 |
| SSIp | 0.0310 | 2098.0 (53.5) | 2108.3 (81.0) | 2276.8 (47.1) | 0.917 | 0.015 | 0.074 |
| Hip aBMD | <.0001 | 1.1 (0.1) | 1.2 (0.1) | 1.2 (0.02) | 0.003 | <.001 | 0.502 |
| FN Z | 0.0031 | 2.1 (0.1) | 2.4 (0.1) | 2.5 (0.1) | 0.049 | <.001 | 0.584 |
| Hip CSA | 0.0004 | 4.0 (0.1) | 4.5 (0.2) | 4.6 (0.1) | 0.010 | <.001 | 0.736 |
| Females (N=126) | N=42 | N=31 | N=53 | ||||
| BSI | 0.0119 | 95.2 (3.0) | 97.52 (3.42) | 106.69 (2.62) | 0.615 | <.001 | 0.037 |
| SSIp | 0.0022 | 1485.8 (30.3) | 1517.7 (35.0) | 1625.8 (26.8) | 0.496 | <.001 | 0.017 |
| Hip aBMD | <.0001 | 0.99 (0.02) | 0.99 (0.02) | 1.08 (0.01) | 0.792 | <.001 | <.001 |
| FN Z | 0.0008 | 1.4 (0.03) | 1.5 (0.04) | 1.6 (0.03) | 0.090 | <.001 | 0.075 |
| Hip CSA | 0.0008 | 3.2 (0.06) | 3.3 (0.06) | 3.4 (0.05) | 0.246 | <.001 | 0.024 |
a
F-test p-value for overall significance of high school sport group comparisons.
b
P value for sport group comparison.
Outcomes are Mean (SE).
BSI, bone strength index; SSIp, density weighted polar section modulus strength-strain index; aBMD, areal bone mineral density; FN Z, femoral neck section modulus; CSA, cross sectional area; PSP, power sport participant; OSP, other sport participant; NP, nonparticipant.