The Effect of Dexmedetomidine on Lumbar Epidural Injection for Failed Back Surgery Syndrome

Table 4

Oswestry disability index (ODI).

Time	Group C ()	Group D ()	value
Before	24.16 ± 8.74	23.12 ± 8.66	0.674
2	22.01 ± 7.93	16.11 ± 7.93	0.011
4	19.93 ± 7.19	15.54 ± 8.01	0.047
8	19.87 ± 7.12	15.1 ± 7.42	0.025
12	19.52 ± 6.19	15.33 ± 7.41	0.035

Group C: control group; group D: dexmedetomidine group; = number of patients. Data were expressed as mean ± standard deviation. : significant.