Figure 3. Kaplan-Meier plot of the number of days to functional recovery for patients with acute low back pain seen by chiropractors. Dotted line indicates patients (n=207) seen by chiropractors with the strongest self-confidence score (4 on the 4-item scale, Table 2); solid line, patients (n=344) seen by chiropractors with weaker self-confidence scores (P>.60).
