Figure 4.

PROMIS pain interference as a function of time. Ranges represent 95% CI. ns, not significant; PROMIS, Patient-Reported Outcomes Measurement Information System. *P < .05. **P < .01. ****P < .0001.

PROMIS pain interference as a function of time. Ranges represent 95% CI. ns, not significant; PROMIS, Patient-Reported Outcomes Measurement Information System. *P < .05. **P < .01. ****P < .0001.