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. Author manuscript; available in PMC: 2015 Jul 4.
Published in final edited form as: Pain Med. 2014 Jul 4;15(7):1154–1162. doi: 10.1111/pme.12456

Table 3.

Strength of association between change in NRS at week “n” and 6-week change in NRS

Univariate Multivariate (after controlling for Baseline PHQ-9)
2-week change in NRS Beta=0.47, p<0.001 Beta=0.44, p<0.001
3-week change in NRS Beta=0.41, p<0.001 Beta=0.38, p<0.001
4-week change in NRS Beta=0.57, p<0.001 Beta=0.55, p<0.001
5-week change in NRS Beta=0.64, p<0.001 Beta=0.61, p<0.001