Fig. 5
![Fig. 5](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12955-017-0590-3/MediaObjects/12955_2017_590_Fig5_HTML.gif)
Percentage of P/D dimension problems for each group. n = 224. Fisher’s exact test, p < .001. Kruskal-Wallis test: H (3, N = 224) =21.030 p < .001
Percentage of P/D dimension problems for each group. n = 224. Fisher’s exact test, p < .001. Kruskal-Wallis test: H (3, N = 224) =21.030 p < .001