Fig. 3

One-year Adjusted Risk of Opioid Prescription Fill among Recipients of Chiropractic Care as Compared to Non-recipients, with Number of Subjects at Risk and 95% Hall-Wellner Bands. The figure illustrates adjusted hazard ratios in a time-to-event analysis. Opioid Fill = Prescription fill for opioid analgesic medication; Recipients = subjects who received both primary care and chiropractic care; Non-Recips. = Non-Recipients (subjects who received primary care and no chiropractic care); Risk is expressed as direct adjusted survivor functions with 95% confidence limits