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Table 2 Linear Pearson correlation coefficient correlation between VAS and BPI sleep interference by pain

From: Relationship between pain relief, reduction in pain-associated sleep interference, and overall impression of improvement in patients with postherpetic neuralgia treated with extended-release gabapentin

 

n

Pearson correlation coefficient (r)

p-value

≥30 % reduction in VAS

267

0.2795

<0.0001

<30 % reduction in VAS

225

0.0612

0.3608

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Health and Quality of Life Outcomes

ISSN: 1477-7525

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