https://orcid.org/0000-0003-1081-3884
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Abstract
Background
During home treatment with antibiotics, patients’ laboratory results of total white blood cell count (WBC) with neutrophil counts and C-reactive protein (CRP) are drawn and monitored at the hospital. The aim of the study was to examine the feasibility and analytical accuracy of hospitalized patients 18 years or older self-testing using two point-of-care tests (POCT).
Methods
The pilot study included 41 hospitalized patients. A subjective judgment of the patients’ ability to conduct the self-testing was made along with a comparison of the POCT measurements of WBC, neutrophil counts and CRP with standard laboratory measurements. Correlation between the POCTs and laboratorial values was assessed by coefficient of determination and the level of agreement between the means was assessed by Bland Altman test.
Results
Of the 38 patients conducting self-testing, 78% were men and the mean age was 61.8 years. 28 patients (73.7%) successfully performed self-testing on the first try while, 10 (26.3%) ‘HemoCue WBC DIFF’ measurements showed an error code. All the patients successfully performed the ‘QuickRead go CRP’ self-test. Comparison of the ‘HemoCue WBC DIFF’ results with the laboratory results of WBC and neutrophil counts showed good agreement. On the other hand, ‘QuickRead go CRP’ results showed a small but significant systematic disagreement compared to the laboratory results.
Conclusion
Our results showed that the POCTs can be used by some patients and factors influencing the patient participation included psychological and physical limitations. Both POCTs appeared to have an acceptable clinical level of accuracy.
Disclosure statement
No potential conflict of interest was reported by the author(s).