Influence of static cartoons combined with dynamic virtual environments on preoperative anxiety of preschool-aged children undergoing surgery

Table 2 Comparison of modified Yale Preoperative Anxiety Scale scores in the three study groups

Time point	Control group, n = 39	Drug group, n = 37	Intervention group, n = 40
T0	22.68 ± 5.47	22.72 ± 6.71	22.50 ± 6.09
T1	42.14 ± 6.57b	42.72 ± 3.39b	26.84 ± 4.87a,c,d
T2	57.02 ± 6.04b	37.88 ± 4.37b,c	26.07 ± 4.29a,c
T3	53.84 ± 5.53b	29.63 ± 5.27a,c	27.50 ± 7.08a,c

Data are mean ± standard deviation.

^aP < 0.05 vs T0.

^bP < 0.01 vs T0.

^cP < 0.05 vs control group.

^dP < 0.05 vs drug group.