L-spine level | Men | Women | ||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CT | MRI | CT | MRI | |||||||||||||
GG | CSA of PM (mm2) | CSA ratio | HU | GG | CSA of PM (mm2) | CSA ratio | Fat fraction (%) | GG | CSA of PM (mm2) | CSA ratio | HU | GG | CSA of PM (mm2) | CSA ratio | Fat fraction(%) | |
L1/2 | 0.00* | 2475.52 | 171.64* | 52.55 | 0.30* | 2464.85 | 197.43* | 8.15 | 0.07* | 1608.45 | 139.07* | 45.91 | 0.74* | 1634.75 | 161.21* | 13.33 |
L2/3 | 0.20 | 2587.25 | 168.86* | 51.46 | 0.53 | 2635.92 | 191.29* | 10.17 | 0.29* | 1827.64 | 144.6* | 42.24 | 0.93* | 1851.84 | 165.07* | 15.77 |
L3/4 | 0.23* | 2687.26 | 165.36* | 47.96 | 0.83* | 2624.13 | 175.57 | 13.52 | 0.75 | 1953.68 | 147.73* | 38.32 | 1.11 | 1968.90 | 161.93 | 21.07 |
L4/5 | 1.00 | 2651.20 | 159.71 | 44.66 | 1.37 | 2419.63 | 164.36 | 16.88 | 1.43 | 2090.03 | 160.47 | 30.65 | 1.17 | 1971.08 | 171.64 | 27.63 |
L5/S1 | 1.40* | 2197.15* | 143.51 | 40.53 | 1.87* | 1343.42* | 101.86* | 23.01 | 1.82 | 1764.43* | 141.25 | 22.89 | 1.89 | 1218.41* | 121.21* | 34.84 |
Total | 0.57 | 2519.67* | 387.36* | 47.43 | 0.98 | 2297.59* | 166.14 | 14.35 | 0.87 | 1848.24* | 299.71* | 36.00 | 1.27 | 1728.99* | 156.22 | 22.53 |