DXA and pQCT parameters at all measurement time points
| Stage of season | ||||
|---|---|---|---|---|
| Measure | Pre-2009 | Mid-2009 | Post-2009 | Pre-2010 |
| WB BMD (g/cm2) (n=19) | 1.235(0.087)*,¶,** | 1.296(0.093)†,‡ | 1.256(0.100) | 1.245(0.087) |
| LS BMD (g/cm2) (n=20) | 1.447(0.110) | 1.460(0.105) | 1.459(0.116) | 1.469(0.114) |
| FN BMD (g/cm2) (n=19) | 1.319(0.130) | 1.333(0.132) | 1.335(0.133) | 1.324(0.134) |
| Dist. R&U BMD (g/cm2) (n=18) | 0.580(0.051)* | 0.573(0.050)† | 0.580(0.050) | 0.578(0.049) |
| Prox. Rad BMD (g/cm2) (n=18) | 1.065(0.063)¶ | 1.071(0.062)† | 1.078(0.062)§ | 1.068(0.056) |
| WB lean mass (kg) (n=19) | 81.45(7.76)*,¶ | 80.72(7.73) | 79.89(6.72)§ | 81.22(6.73) |
| WB fat mass (kg) (n=19) | 10.70(3.08) | 11.05(4.00) | 11.03(4.87) | 11.35(4.46) |
| BMI (kg/m2) (n=20) | 28.65(1.90) | 28.62(2.03) | 28.49(2.08) | 28.67(1.94) |
| BUA (dB/MHz) (n=20) | 118.3(15.3) | 117.9(16.8) | 117.4(16.3) | 117.6(15.3) |
| Tibial mass at 4% site (g/cm) (n=20) | 5.55(0.85) | 5.55(0.90) | 5.52(0.77) | 5.59(0.88) |
| Tibial mass at 38% site (g/cm) (n=19) | 5.37(0.53)*,¶,** | 5.41(0.53) | 5.42(0.57) | 5.41(0.50) |
| Leg bone:muscle area, 66% Site(%) (n=20) | 5.33(0.52)*,** | 5.51(±0.56) | 5.49(0.61) | 5.50(0.62) |
| Leg fat area, 66% site (mm2) (n=20) | 1005(590)* | 1303(549) | 1195(455) | 1135(592) |
*sig. difference between pre-2009 and mid-2009
†sig. difference between mid-2009 and post-2009
‡sig. difference between mid-2009 and pre-2010
§sig. difference between post-2009 and pre-2010
¶sig. difference between pre-2009 and post-2009
**sig. difference between pre-2009 and pre-2010.
BMD, bone mineral density; BMI, body mass index; BUA, broadband ultrasound attenuation; Dist. R&U BMD, distal radius and ulna BMD; FN BMD, femoral neck BMD; LS BMD, lumbar spine BMD; NS, not significant; Prox. Rad BMD, proximal radius BMD; WB, whole body.