Table 3.

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

Variable	DT	No DT	Total	Incidence of DT, %	OR (95% CI)	P Value
LESI (duration between LESI and surgery)
≤3 mo	7	48	55	12.72	3.24 (1.12–9.40)	0.030
3–6 mo	4	40	44	9.09	2.22 (0.64–7.75)	0.27
>6 mo	2	28	30	6.67	1.59 (0.32–7.87)	0.57
Total	13	116	129	10.08	2.49 (1.00–6.20)	0.049
Non-LESI	8	178	186	4.30
Total	21	294	315	6.67

^aA P value of <0.05 is considered to be significant (in boldface).

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