Table 4 Facet joint involvement by region on the basis of double nerve blocks
From: Prevalence of facet joint pain in chronic spinal pain of cervical, thoracic, and lumbar regions
Double blocks | Number | % of positive |
|---|---|---|
At least One region positive | 500 | 43% (216) |
At least Two regions positive | 203 | 15% (73) |
All three regions positive | 21 | 2% (9) |