Table 2.

Percentage recurrence rates of actinic keratosis at 12 months that were initially clear with topical therapy at 2–3 months

Treatment	12‐month recurrence rates
5‐FU	46% 8 ; 65% 1
Imiquimod	39% 50 , 27% 8 ; 17.4–39% 1 ,20.9% 56
Diclofenac	21% 57
Ingenol mebutate	54% 1 ,12.8% 56
ALA‐PDT	40.8% 37 ,17% 1

Primary study results (direct data) are in bold; review study estimates are in italics.