fig3
Figure 3. Proportion of CEs in the reviewed case studies. (A) Proportion of ECE and OCE in CF and NC groups; (B) Quartile plot. The box range represents the interquartile range(Q1-Q3), the horizontal line inside the box indicates the median, and the cross symbol (×) denotes the mean value. The sample sizes for the CE and the NCF group were 63 and 95, respectively.
