Table 2.
BMD and CSA Differences between Groups 1 and 2.
| Number of patients
(n=95) |
Group 1
(n=67) |
Group 2
(n=28) |
P value | |
|---|---|---|---|---|
| BMD (g/cm2) | 0.662±0.13 | 0.663±0.11 | 0.631±0.11 | 0.2226 |
| Psoas major (mm2) | 506.67±133.74 | 511.44±86.03 | 495.27±55.08 | 0.1804 |
| Erector spinae (mm2) | 1080.20±229.99 | 1135.7±142.58 | 947.42±211.58 | 0.0002 |
| Multifidus (mm2) | 304.49±82.45 | 313.21±35.33 | 283.61±146.93 | 0.2505 |
| Total (mm2) | 1891.36±338.04 | 1960.34±337.06 | 1726.29±277.86 | 0.0009 |
| Fat infiltration | ||||
| Mild | 27 | 23 | 4 | |
| Moderate | 44 | 31 | 13 | |
| Severe | 24 | 13 | 11 | 0.020 |
Data are expressed as mean±standard deviation.
BMD, bone mineral density; CSA, cross-sectional area