Table 4

Independent predictors of success for all patients. Results are means (SD)

Success Failure
Age 55.2 (16.8)56.3 (17)
Sex (F:M) 77:7524:19
Body mass index 28 (4.4)30.7 (6.1)4-150
Grade
 Consultant 17 64-150
 Senior registrar10535
 Other 35 2
Diagnosis:
 Sciatica 9421
 Stenosis 3912
 Other4-151  1810
Previous surgery  7 1
Route of injection:
 Lumbar 93 74-160
 Caudal 6436

  • ↵4-150 p<0.05;

  • ↵4-160 p<0.001.

  • ↵4-151 Six classified as uncertain.