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Table 2 Demonstrates outcome on the short and long term follow up by using ODI.

From: Surgical management of low grade isthmic spondylolisthesis; a randomized controlled study of the surgical fixation with and without reduction

Follow up

Reduction Group I

Fusion in situ Group II

On 3 months

  

Bad

0 (0.0)

5 (25)

Fair

2 (9.5)

6 (30)

Good

3 (14.3)

8 (40)

Excellent

16 (76.2)

1(5.0)

After one year:

  

Bad

0 (0.0)

1(5.0)

Fair

0 (0)

2 (10)

Good

3 (14.3)

11(55)

Excellent

18 (85.7)

6 (30)

After two years:

  

Bad

0 (0.0)

0 (0.0)

Fair

0 (0)

1(5.0)

Good

2 (9.5)

2 (10.0)

Excellent

19 (90.5)

17 (85.0)

After three years:

  

Bad

0 (0.0)

0 (0.0)

Fair

0 (0.0)

1 (5.0)

Good

4 (18)

3 (15.0)

Excellent

17(82)

16 (80.0)