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. Author manuscript; available in PMC: 2022 Aug 18.
Published in final edited form as: Anesth Analg. 2021 Mar 1;132(3):798–806. doi: 10.1213/ANE.0000000000005004

Table 3.

Secondary outcomes.

No Virtual Reality Virtual Reality Difference
(95% confidence interval)
P Value
n 37 (52.9%) 33 (47.1%)
Induction Compliance 0 [0, 1] 0 [0, 0] 0 (0 to 0) 0.12
Parental Satisfaction 80 [76, 83] 83 [76, 84] −3 (−8 to 2) 0.15
Parental Satisfaction (%) 95% [90%, 99%] 99% [90%, 100%] −4% (−9% to 2%) 0.15
STAI State (T3) 39 [28, 47] 35 [26, 46] 4 (−6 to 14) 0.41
STAI State (T3-T0) 0 [−3, 3] 0 [−3, 3] 0 (−2 to 2) 0.97

Data are n (%), median [interquartile range], or difference in medians (confidence interval).

Univariate comparisons and p values were calculated using Wilcoxon rank sum.

Differences are the differences in median values with 95% confidence intervals calculated by bootstrapping.

Induction compliance score is 0–10; Parental satisfaction score is 21–84.

Abbreviations: STAI, parental State-Trait Anxiety Inventory, scored 20–80. T0 is the baseline time point in the preoperative holding area; T3 is the time point after induction of general anesthesia.