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Table 6 Comparison between percent changes in VAS and BPI Sleep Interference by Pain as predictive factors for being “Much” or “Very Much” improved on the PGIC

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

Dependent variable

Predictive factors

Regression coefficient

p-value

“Much” and “Very Much” improved on the PGIC

Percent change in VAS

0.02988

<0.0001

Percent change in BPI Sleep Interference

0.00616

0.0082

Interaction between percent changes in VAS and BPI Sleep Interference

0.00005

0.4808

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Health and Quality of Life Outcomes

ISSN: 1477-7525

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