表 1.
股四头肌横截面积(n=22，x±s)
CSA of quadriceps (n=22, x±s)
| Items | CSA of quadriceps/cm2 | F value | P value | ||
| CSA-18 | CSA-15 | CSA-12 | |||
| RF, rectus femoris; VM, vastus medialis; VL, vastus lateralis; Ⅵ, vastus internus; CSA, cross-sectional area. CSA-18, CSA-15, CSA-12 represent quadriceps CSA at the upper edge of the patella at 18, 15 and 12 cm, respectively. | |||||
| Unaffected side | |||||
| Quadriceps | 80.80±12.16 | 77.53±12.03 | 72.68±10.51 | 92.876 | ＜0.001 |
| RF | 9.53±2.36 | 7.01±1.67 | 3.66±1.28 | 209.987 | ＜0.001 |
| VM | 14.97±3.46 | 20.09±4.51 | 23.04±4.90 | 336.556 | ＜0.001 |
| VL | 28.71±4.93 | 25.84±4.71 | 22.06±3.85 | 121.180 | ＜0.001 |
| Ⅵ | 27.59±4.58 | 24.60±4.11 | 21.19±3.95 | 132.113 | ＜0.001 |
| Affected side | |||||
| Quadriceps | 73.79±15.83 | 71.16±15.25 | 66.41±14.02 | 58.739 | ＜0.001 |
| RF | 9.49±2.34 | 7.05±1.86 | 4.24±1.19 | 226.089 | ＜0.001 |
| VM | 13.43±3.89 | 17.78±4.37 | 22.29±5.46 | 239.172 | ＜0.001 |
| VL | 26.07±6.73 | 23.63±5.90 | 20.23±5.35 | 58.258 | ＜0.001 |
| Ⅵ | 24.80±5.10 | 22.70±5.08 | 19.64±4.48 | 101.731 | ＜0.001 |