Table 4 Pain severity and cold sensation change over time.

From: Correlation between paravertebral spread of injectate and clinical efficacy in lumbar transforaminal block

 

Responder (n = 26)

Non-responder (n = 28)

P value

Pain severity, NRS

T0

7.0 (2.3)

6.7 (2.0)

0.584

T30

1.4 (1.7)

5.6 (1.6)

< 0.001

Cold sensation, NRS

T0

2.3 (3.3)

2.0 (3.2)

0.655

T30

1.2 (2.2)

1.1 (2.3)

0.875

  1. All data are presented as means (SD). NRS: numeric rate scale, T0: before treatment; T30: 30 min following block, Responder: patients who showed a reduction of ≥ 50% on the numeric rate scale for pain at 30 min after the block; Non-responder: patients who showed a reduction of less than 50%.
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