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. Author manuscript; available in PMC: 2019 Dec 1.
Published in final edited form as: Clin J Pain. 2018 Dec;34(12):1133–1140. doi: 10.1097/AJP.0000000000000644

Figure 1. Log transformed IL-6 and TNF at baseline (A, C) and follow-up (B, D) by insomnia improvement (improver versus non-improver) at follow-up.

Figure 1.

Values are marginal means (with standard error bars) from models adjusted for age, gender, and baseline cytokine value. * Indicates adjusted mean differences between insomnia improvers versus non-improvers significant at p < .05; ✝indicates p < .10).