Table 3

Distribution of DT in the 2 groups and further subdivided on the basis of duration between LESI and surgery.

VariableDTNo DTTotalIncidence of DT, %OR (95% CI) P Value
LESI (duration between LESI and surgery)
 ≤3 mo7485512.723.24 (1.12–9.40) 0.030
 3–6 mo440449.092.22 (0.64–7.75)0.27
 >6 mo228306.671.59 (0.32–7.87)0.57
 Total1311612910.082.49 (1.00–6.20) 0.049
Non-LESI81781864.30
Total212943156.67

  • a A P value of <0.05 is considered to be significant (in boldface).

  • DT, dural tears; LESI, lumbar epidural steroid injection.