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Table 5 Oswestry Disability Index of the two studied groups

From: Caudal epidural steroid injection ultrasound-guided versus fluoroscopy-guided in treatment of refractory lumbar disc prolapse with radiculopathy

Variable

Group I (US) (n = 59)

Group II (FL) (n = 62)

Test

p

Before (%)

  

t

 

 Mean ± SD

55.29 ± 7.39

55.73 ± 6.54

0.34

0.73

 Median

55.3

55.7

 

NS

 Range

40.70–69.20

42.3–68.5

  

1 month (%)

  

MW

 

 Mean ± SD

21.15 ± 16.21

22.04 ± 16.78

  

 Median

14.5

15.9

0.38

0.70

 Range

5.8–60

5.7–64.5

 

NS

3 months (%)

  

MW

 

 Mean ± SD

23.77 ± 20.22

25.82 ± 21.07

  

 Median

12.6

15.6

1.27

0.20

 Range

5.8–64.5

6.2–67.60

 

NS

P1$

< 0.001**

< 0.001**

  

P2$

< 0.001**

< 0.001**

  

P3$

0.43 NS

0.06 NS

  
  1. SD standard deviation, t independent t test, MW Mann-Whitney test, NS non-significant (p > 0.05), P1 before versus 1 month, P2 before versus 3 months, P3 1 month versus 3 months
  2. **Highly significant (p < 0.01)
  3. $Paired Wilcoxon test