2.6. Statistical Analysis
All values were expressed as the mean standard ± deviation (SD). Comparison of syncytia size and villous height to crypt depth (VH:CD) ratio were analyzed using statistical software GraphPad Prism 6.0 (GraphPad Prism Inc., San Diego, CA, USA). Variables were compared using the non-parametrical Kruskal–Wallis test; p < 0.05 was considered statistically significant.