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Patients were then divided into the HFMD (1094 patients) group or non-HFMD (341 patients) group based on a positive or a negative result from the assay, respectively. We then divided the data into a training set (1004 cases, 70%) and a test set (431 cases, 30%) using a random number method. Multivariate logistic regression was performed on 15 clinical variables (e.g. age, exposure history, number of rash spots in a single body region) to identify variables highly predictive of a positive diagnosis in the training set. Using the variables with high impact on the diagnostic accuracy, we generated a scoring system for predicting HFMD and subsequently evaluated this system in the test set by receiver operating characteristic curve (ROC curve).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Using the logistic model, we identified seven clinical variables (age, exposure history, and rash density at specific regions of the body) to be included into the scoring system. The final scores ranged from \u2212\u20095 to 24 (higher scores positively predicted HFMD diagnosis). Through our training set, a cutoff score of 7 resulted in a sensitivity of 0.76 and specificity of 0.68. The area under the receiver operating characteristic curve (AUC) was 0.804 (95% confidence interval [CI]: 0.773\u20130.835) (\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.001). Using the test set, we obtained an AUC of 0.76 (95% CI: 0.710\u20130.810) with a sensitivity of 0.76 and a specificity of 0.62. These results from the test set were consistent with those from the training set.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This study establishes an objective scoring system for the diagnosis of typical and atypical HFMD using measures accessible through routine clinical encounters. Due to the accuracy and sensitivity achieved by this scoring system, it can be employed as a rapid, low-cost method for establishing diagnoses in children with acute rash illness.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12879-021-06424-w","type":"journal-article","created":{"date-parts":[[2021,7,31]],"date-time":"2021-07-31T17:02:27Z","timestamp":1627750947000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["A clinical scoring system for pediatric hand-foot-mouth disease"],"prefix":"10.1186","volume":"21","author":[{"given":"Hui","family":"Huang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Li","family":"Deng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Liping","family":"Jia","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Runan","family":"Zhu","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2021,7,31]]},"reference":[{"issue":"1","key":"6424_CR1","doi-asserted-by":"publisher","first-page":"425","DOI":"10.1186\/s12879-016-1755-0","volume":"16","author":"HJ Kim","year":"2016","unstructured":"Kim HJ, Hyeon JY, Hwang S, Lee YP, Lee SW, Yoo JS, et al. 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