Figure 1. Therapeutic Hair Regrowth Rate of Contact Immunotherapy in Patients With Alopecia Areata.

Any regrowth was less than 10% of hair loss; minor regrowth, 10% to 59%; major regrowth, 60% to 89%; and complete regrowth, 90% to 100%. Error bars indicate 95% CIs. AT indicates alopecia totalis; AU, alopecia universalis; and PA, patchy alopecia.