Statistical analysis

KB Kyung-Nam Bae
KS Kihyuk Shin
HK Hoon-Soo Kim
BK Byung-Soo Kim
MK Moon-Bum Kim
HK Hyun-Chang Ko
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Statistical analyses were performed using IBM SPSS ver. 21 (IBM Corp., Armonk, NY, USA). When comparing clinical features of patients with and without proliferative lesions, we used the Mann-Whitney test for unpaired values and Fisher's exact test for non-numeric data. Mean scores at each time point following treatment in both groups were compared using the Mann-Whitney test. p-values less than 0.05 were considered statistically significant.

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