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. 2011 Oct;59(10):932–941. doi: 10.1369/0022155411418829

Figure 3.

Figure 3.

LG-UCCs and PUNLMPs were divided into two groups for RFS analysis according to claudin expression over the median and under the median. PUNLMPs expressing claudin-1 under the median showed significantly shorter RFS compared with PUNLMPs expressing claudin-1 over the median (Kaplan-Meier analysis; [A] morphometry, p = 0.0289; [B] scoring analysis, p = 0.0356). LG-UCCs expressing claudin-4 over the median revealed significantly shorter RFS compared with LG-UCCs expressing claudin-4 under the median (Kaplan-Meier analysis, p = 0.0063; [C] morphometry; [D] scoring analysis). RFS did not show association with Ki-67 expression being under or above the median (Kaplan-Meier analysis; [E] PUNLMP, p = 0.4701; [F] LG-UCC, p = 0.7910). Complete event = recurrence occurred; censored event = follow-up was terminated either because patient died or follow-up period ended; RFS = recurrence-free survival; UP = urothelial papilloma; IUP = inverted urothelial papilloma; PUNLMP = papillary urothelial neoplasm of low malignant potential; LG-UCC = low-grade urothelial cell carcinoma.