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Comparison regarding the level of preoperative OVCF between SVCF group and non-SVCF group.
| Level of OVCF | 1 | 2 | 3 |
|---|---|---|---|
| SVCF* (n=102) | 93 | 8 | 1 |
| Non-SVCF (n=548) | 510 | 35 | 3 |
P=0.752, compared with non-SVCF group, by chi-squared test.
OVCF – osteoporotic vertebral compression fracture; SVCF – secondary vertebral compression fracture.
