The effect of virtual reality technology on preoperative anxiety in children: a Solomon four-group randomized clinical trial

Table 3 The comparison of pre-intervention scores between two groups

Domains	Mann-Whitney		Sig
Activity before	E1	C1	p = 0.143
Vocalization before	E1	C1	p = 0.019
Emotional expressivity before	E1	C1	p = 0.393
State of apparent arousal before	E1	C1	p = 0.912

E1 experiment 1 (intervention with pretest), C1 control 1 (control with pretest)