表 1.
紫外照射前不同处理组大鼠各部位骨密度比较(x±s)
The comparison of BMD in different regions before UV irradiation (x±s) /(mg/cm3)
| Items | BMD of whole body | Cervical vertebra | Lumbar vertebra | Proximal femur | Mid femur | Distal femur |
| BMD, bone mineral density；*P < 0.05，compared with control group；# P < 0.05，compared with sham operated group. | ||||||
| Control | 238.78±26.74 | 190.31±24.05 | 251.21±75.13 | 351.04±31.27 | 365.68±28.92 | 345.73±36.87 |
| Sham operated | 227.20±14.32 | 250.06±75.01 | 225.27±45.15 | 373.56±41.64 | 370.31±23.55 | 377.89±45.75 |
| 275 nm | 193.34±13.28*# | 210.88±9.99 | 260.42±35.29 | 298.48±11.59*# | 317.88±15.59*# | 307.02±14.06*# |
| 310 nm | 191.19±18.48*# | 197.69±34.42 | 300.98±23.66 | 297.32±14.62*# | 302.62±25.83*# | 301.33±14.04*# |
| F value | 8.09 | 2.38 | 2.56 | 12.42 | 12.57 | 9.07 |
| P value | < 0.001 | 0.099 | 0.083 | < 0.001 | < 0.001 | < 0.001 |