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. 2020 Nov 18;9(11):3696. doi: 10.3390/jcm9113696

Figure 1.

Figure 1

Kaplan–Meier survival curve analysis of first TPK for recurrence. Graph demonstrating Kaplan–Meier survival curves of the first TPK grafts. Survival curves indicate no recurrence of infection. (A) Overall infection recurrence time of first TPK is shown. The overall median infection recurrence time was 17 months (mean 21.6 ± 22.84 months, 0.1–65.5). Recurrence-free state at 1 year and 2 years were 89.5% and 73.0%, respectively. (B) Dotted-line indicates TPK done within 30 days and solid-line indicates TPK done after 30 days since first symptoms or signs. Median infection recurrence time for TPK done within 30 days and after 30 days were 17.5 months (mean 17.5 ± 4.95, 14–21) and 14.5 months (mean 23.65 ± 29.06, 0.1–65.5), respectively (Log Rank (Mantel-Cox) p = 0.030). Recurrence-free state at 1 year were 100% for TPK done within 30 days and 66.7% for after 30 days. Recurrence-free state at 2 years were 83.9% for TPK done within 30 days and 50.0% for after 30 days. TPK = therapeutic penetrating keratoplasty.