The Nordic back pain subpopulation program: predicting outcome among chiropractic patients in Finland.

When the previously achieved best Swedish model was applied to patients from Finland, the associations between outcome and the three relevant variables (leg pain, duration of pain in the past year and leg pain) were again positive, although duration failed to reach significance and leg pain was only weakly associated, and in the final analysis, only improvement at the second visit remained significant with an odds ratio of 4.9.

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