Data analysis
After completion of the investigation, the integrity and authenticity of
the data were checked on the spot, the unqualified questionnaire
(missing items, answers appeared in a certain pattern, two or more
options were selected) was screened, and 50% of the collected
questionnaires were randomly selected to verify the authenticity of the
indicators. Data is checked and entered by two people on two machines.
SPSS for Windows (Ver.20.0 IBM, New York, USA) were used to analyze the
data. The demographic and clinical data of the parents and the children
were presented as means with standard deviations (SDs), frequency or
composition ratio. T test and chi-square test were performed to
examine the differences between gender and among different age groups.
Pearson’s Chi-square test was used to compare the prevalence of PTSS in
parents and children. Independent-sample t test was used to
compare the total score of PCL-C, PTSDI, depression, and family
functioning. Pearson correlation coefficient was calculated to measure
the correlations among the total PCL-C score, depression, family
functioning, PTSDI score and VAS score. Independent-sample t test
and one-way analysis of variance (ANOVA) were used to examine
differences in PTSDI scores among children with cancer with different
disease experiences. A P value less than 0.05 was considered to
indicate a statistical significance.