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Table 9 The percentage of patients with good outcome at the 4th visit by the number of positive statistically significant predictor variables

From: The Nordic Subpopulation Research Programme: prediction of treatment outcome in patients with low back pain treated by chiropractors - does the psychological profile matter?

Number of predictor variables present in patients 0 1 2 3 4 or 5
Number of patients 170 148 173 133 39
Percentage of these patients with good outcome 82 75 69 58 36
  1. The predictor variables in this analysis were:total subvention, total duration of pain in the past year, general health, anxiety and depression. A positive dose response was noted for all three combinations of predictor variables.