Table 2.
Comparisons versus grade 1 using Tukey's test: **p < .01; ***p < .001; ****p < .0001.
aWilcoxon test.
Abbreviations: DLQI, Dermatology Life Quality Index; HFS, hand–foot syndrome; MCS, mental component summary; PCS, physical component summary; SD, standard deviation; SF-12, short-form 12 item.