Table 4:
Psoas, paraspinal, and oblique muscle density, fat fraction, and L3 vBMD in high and low volume exercisers, stratified by gender, in the Multi-Ethnic Study of Atherosclerosis
| Male high volume exercisers | Male low volume exercisers | P-value | Female high volume exercisers | Female low volume exercisers | P-value | |
|---|---|---|---|---|---|---|
|
|
||||||
| N (%) | 480 (50.2) | 475 (49.7) | 448 (49.3) | 461 (50.1) | ||
| vBMD L3, mg/cm3 | 123.3 (40.7) | 118.5 (37) | 0.119 | 112.1 (39.8) | 111.1 (39.5) | 0.471 |
| Total Psoas Area, sq cm | 20.1 (5.5) | 19.5 (5.4) | 0.96 | 13.1(3.3) | 12.9 (3.3) | 0.96 |
| Psoas Fat Fraction, % | 0.06 (.04) | 0.07 (.05) | 0.003 | 0.08 (0.05) | 0.09 (0.07) | 0.01 |
| Psoas Density, HU | 42.03 (9.8) | 40.02 (11.3) | 0.08 | 37.6 (10.2) | 35.8 (12.6) | 0.04 |
| Total Paraspinal Area, sq cm | 72.2 (12.8) | 72.04 (12.6) | 0.59 | 30.9 (12.3) | 32.5 (12.2) | 0.70 |
| Paraspinal Fat Fraction, % | 0.08 (.06) | 0.09 (.07) | 0.02 | 0.12 (0.07) | 0.13 (0.08) | 0.01 |
| Paraspinal Density, HU | 34.8 (12.7) | 33.3 (14) | 0.157 | 20.2 (13.1) | 17.5 (13.8) | 0.266 |
| Total Oblique Area, sq cm | 44.13 (15.3) | 44.3 (16.8) | 0.073 | 53.6 (9.9) | 53.9 (9.8) | 0.41 |
| Oblique Fat Fraction, % | 0.09 (0.05) | 0.1 (0.05) | 0.639 | 0.12 (0.07) | 0.13 (0.08) | 0.09 |
| Oblique Density, HU | 27.1 (11.5) | 25.6 (11.2) | 0.64 | 26.04 (13.7) | 23.4 (15.1) | 0.18 |