Physicians agreeing* with the reasons proposed as contributing to difficulty in diagnosis. *Those who strongly or somewhat agreed. a,b,c,d, and e, indicate statistically significant difference (P<0.05) among the subgroups (i.e., physician specialties) being analyzed.
Perrot et al. BMC Health Services Research 2012 12:356 doi:10.1186/1472-6963-12-356