Table 3.
Peripheral quantitative computed tomography derived values pre and post marathon at 4 and 66% of tibia length
| Left | Right | |||||
|---|---|---|---|---|---|---|
| Pre | Post | Change | Pre | Post | Change | |
| vBMC4% (g cm-1) | 5.22 | 5.28 | 1.1% | 5.12 | 5.01 | -2.2%* |
| vBMD.tb4% (mg cm-3) | 274 | 277 | 1.2%* | 278 | 272 | -1.9%* |
| vBMD.tot4% (mg cm-3) | 334 | 336 | 0.4% | 328 | 327 | -0.3% |
| vBMC.tib66% (g cm-1) | 4.71 | 4.71 | 0.0% | 4.78 | 4.76 | -0.4%* |
| vBMD.ct.tib66% (mg cm-3) | 1013 | 1012 | 0.0% | 1031 | 1028 | -0.2% |
| Peri66% (mm) | 104 | 105 | 0.3% | 102 | 102 | 0.2% |
| Endo66% (mm) | 81.5 | 81.7 | 0.3% | 76.5 | 76.7 | 0.3% |
| Thk.ct66% (mm) | 3.65 | 3.66 | 0.3% | 4.02 | 4.03 | 0.1% |
vBMC, volumetric bone mineral content; vBMD, volumetric bone mineral density; tb, trabecular; tot, total; tib, tibia; ct, cortical; Peri, periosteal circumference; Endo, endosteal circumference; Thk.ct, cortical thickness. *, pre to post change >1.5 × coefficient of variation for this variable.