Table 2 Comparison among the two intervention groups based on CT spread

 Mean ± SD.

9.15 ± 2.54

11.20 ± 3.07

t =  2.300^*

0.027^*

 Median (Min. – Max.)

10.0 (4.0 – 14.0)

10.50 (7.0 – 17.0)

Paravertebral

6 (30.0%)

8 (40.0%)

χ² = 0.440

0.507

 Mean ± SD.

1.0 ± 0.0

1.25 ± 0.46

t =  1.528

0.170

 Median (Min. – Max.)

1.0 (1.0 – 1.0)

1.0 (1.0 – 2.0)

Epidural

0 (0.0%)

4 (20.0%)

χ² = 4.444

^FEp = 0.106

 Mean ± SD.

–

5.0 ± 1.15

–

–

 Median (Min. – Max.)

–

5.0 (4.0 – 6.0)

Exiting Spinal nerve roots

0 (0.0%)

4 (20.0%)

χ² = 4.444

^FEp = 0.106

 Mean ± SD.

–

1.0 ± 0.0

–

–

 Median (Min. – Max.)

–

1.0 (1.0 – 1.0)

 No

18 (90.0%)

18 (90.0%)

–

–

 Yes

2 (10.0%)

2 (10.0%)