202 Chapter 7 The results from the chart review were analyzed using descriptive statistics. Missing values from the charts were assumed to be missing not at random, based on the hypothesis that it was unnecessary to collect or report the missing data (e.g., if blood pressure measurements were missing, it was assumed unnecessary to measure blood pressure). Consequently, missing data were not imputed. The data from the questionnaire and the chart review were analyzed using IBM SPSS Statistics for Windows, Version 28.0. Armonk, NY: IBM Corp. P-values <0.05 were considered statistically significant. Ethical Considerations The Medical Ethics Review Committee of the Erasmus University Medical Center assessed this study as not subject to the Dutch Medical Research Involving Human Subjects Act and confirmed that gathering informed consent was not necessary (MEC2021-0133). Results Demographics of the participants of the survey Of the 427 participants who started the questionnaire, 304 (71%) completed it. The majority of participants were nurses (92%). See Table 1 for the baseline characteristics of the participants who completed the questionnaire. There was no significant difference between those who completed the questionnaire and those who did not in terms of age (median age for non-completers: 25 years; IQR 22-36) and work experience in years (median work experience for non-completers: 2 years; IQR 1-5). Nearly two-thirds of the participants (n=192, 63%) worked in one of the two teaching hospitals, 96 participants (32%) in the academic hospital, and 16 (5%) in the general hospital. The median work experience was 3 years (IQR 2 – 8 years). Almost half of the nurses, (43%, n=105/279) reported insufficient knowledge gained during their initial training on intravenous fluid therapy, compared to 24% (n=6/25) of the prescribers. Details of the participants’ demographics and professional backgrounds are shown in Table 1.
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