Spinal nerve roots in the DFO group

F

P-value

US-Guided LESI

(n = 10)

FL-Guided LESI

(n = 10)

US-Guided CESI

(n = 10)

FL-Guided CESI

(n = 10)

Blinding LSPSI

(n = 10)

Baseline VAS

Mean

8.2

8.6

7.7

7.9

7.8

0.72

0.580 NS

±SD

0.9

0.8

2.1

1.1

1.4

VAS

1 week

Mean

3.8

4.5

3.4

3.7

4

1.01

0.414 NS

±SD

1.1

1.2

1.3

1.5

1.3

VAS

1 month

Mean

2.2

2.5

2

1.9

2.2

0.34

0.844 NS

±SD

1.0

1.4

1.1

1.6

0.9

VAS

2 months

Mean

2.1

1.9

2.4

2.4

3.8

1.76

0.153 NS

±SD

1.9

1.7

1.4

2.0

1.9

Para-Spinal root comparisons

P1

P2

P3

P4

Baseline VAS

0.513 NS

0.193 NS

0.870 NS

0.870 NS

VAS at 1 week

0.730 NS

0.390 NS

0.303 NS

0.605 NS

VAS at 1 month

1.0 NS

0.590 NS

0.719 NS

0.590 NS

VAS at 2 months

0.038 S

0.021 S

0.085 NS

0.085 NS