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to predict the deterioration of patients with COVID-19.
A prospective study was conducted on 200 patients with COVID-19 in Xiangya-ward of west campus of Union Hospital of Tongji Medical College of Huazhong University of Science and Technology. The vital signs, blood oxygen saturation and other parameters were collected at the time of admission. The data included demographic data, clinical characteristics, clinical classification of COVID-19, and serious events (SEs) (death or unplanned transfer to Intensive Care or initiation of non-invasive ventilation) during the whole hospitalization.
to predict the deterioration of patients admitted to COVID-19.
In this study, the mean age of 200 patients was 62.13 ± 12.61years old, 129 patients were over 60 years old, and the average length of stay in hospital was 28.76 ± 16.03 days. As to the severity classification: 27 (13.5%) patients were classified as ordinary cases, 163 (81.5%) as severe cases and 10 (5.0%) as critical cases. Nobody died within 72 h of admission, 7 patients (3.5%) died after 72 h of admission, 7 (3.5%) had unplanned transfers to ICU, 11 (5.5%) were non-invasively ventilated (including 5 surviving patients), as shown in Fig. 1. For patients with a NEWS of 7 or more 6 (28.6%) suffered SEs: 3 died, 6 were ventilated.
For NEWS and NEWS + age (Fig. 1) the specificity for SEs was 0.574 vs. 0.511; the sensitivity was 0.917 vs. 1.000 and the AUROC was 0.837, 95%CI 0.748–0.943, vs. 0.846, 95%CI 0.735–0.939; P = 0.5233; the Youden index was 0.491 vs. 0.511.
The study of Liao et al. recommended the use of NEWS plus age scoring system for disease change recognition in patients with COVID-19, and provided guidance for the triage of patients with COVID-19.
This study shows that the ability of NEWS plus age to predict the deterioration of patients admitted to COVID-19 is good as NEWS.
Although further studies with large sample size are needed to evaluate the prediction ability of NEWS on the deterioration of patients with COVID-19, this study still provides a good reference for clinical application of NEWS. By monitoring the vital signs of patients, early and accurate identification of the deterioration of patients admitted to COVID-19 can not only improve the prognosis of patients, but also reduce the burden of medical staff in a tense medical environment.
Lingli Peng: Conceptualization, Methodology, Software. Xiaobei Peng: Data curation, Writing - Original draft preparation. Lei Zhang: Data curation, Software. Zhen Luo: Software, Validation. Christian P. Subbe: Writing - Reviewing and Editing. All authors commented on previous versions of the manuscript and read and approved the final manuscript.
Conflict of interest
The authors declare that they have no competing interests.
World Health Organization
WHO COVID-19 dashboard.
2020(Accessed 26 April 2020, at https://covid19.who.int/)