“…Eight studies describe baseline characteristics of onychomycosis patients using PRO instruments [10,11,12,13,14,15,16,17], while 8 other studies use nonvalidated instruments or instruments nonspecific to onychomycosis (Table 1) [7,18,19,20,21,22,23,24,25]. Ten studies used PRO instruments to evaluate onychomycosis treatments (Table 2) [26,27,28,29,30,31,32,33,34,35].…”