Statistical analysis
Anxiety
REGRESSION, SEPARATION
Statistical data were analyzed by SPSS 20.0 (IBM Corp., Armonk, NY, USA) and Excel Software (Microsoft Corporation, Redmond, WA, USA). The normality test of measurement data was performed using the Kolmogorov-Smirnov method, and data for normal distribution are expressed as the mean ± standard deviation. Under homogeneity of variance, a paired t-test was used for data analysis between groups. Measurement data for abnormal distribution or with uneven variance were tested using the Kruskal-Wallis method. P < 0.05 was considered statistically significant. Probit regression was used to calculate ED
Ramsay Sedation Scale
Parental Separation Anxiety Scale(PSAS)