| Least square mean (95% CI) for Cobb angle of kyphosis (degrees) within tertile of muscle measure | |||
---|---|---|---|---|
Muscle volume tertile (from lowest to highest) | 1 | 2 | 3 | p-trend |
Full analytic sample a | ||||
Total abdominal muscle volume | 36.6 (34.7, 38.4) | 38.8 (37.0, 40.7) | 37.1 (35.2, 39.0) | 0.69 |
Total psoas muscle volume | 37.6 (35.8, 39.5) | 38.0 (36.2, 39.8) | 36.9 (35.0, 38.7) | 0.56 |
Among those with no prevalent vertebral fracture b | ||||
Total abdominal muscle volume | 36.7 (34.7, 38.6) | 38.0 (36.1, 39.8) | 36.6 (34.6, 38.5) | 0.94 |
Total psoas muscle volume | 37.5 (35.6, 39.5) | 37.5 (35.6, 39.3) | 36.2 (34.3, 38.1) | 0.32 |
Among those with BMI < 30 a | ||||
Total abdominal muscle volume | 37.4 (35.3, 39.4) | 39.0 (37.0, 40.9) | 37.3 (35.1, 39.5) | 0.97 |
Total psoas muscle volume | 38.5 (36.4, 40.6) | 37.9 (35.9, 39.9) | 37.4 (35.4, 39.5) | 0.48 |