Onychomycosis: Terbinafine vs Itraconazole

Looks like terbinafine is much better at treating onychomycosis than itraconazole.  I'm surprised that nearly 1/2 of patients retain cure at 5 years.  I may alter my prescribing habits based on this one ... as I usually refuse to treat onycomycosis based on other studies that suggest much lower long term "cure." rates.