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They were divided into two groups according to the dose of hormone. Compare the clinical features, laboratory findings, and imaging between the two groups, and use meaningful related indicators as ROC curves to find reference indicators for pulse therapy.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      (1) The median age of the group II was older than that of the group I(\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.05). (2) We found more severe presentations, higher incidence of extra-pulmonary complications and more serious radiological findings in group II, which needed oxygen more often, higher the hormone, higher usage rate of gamma globulin, higher usage rate of bronchoscopy, and higher incidence of plastic bronchitis(\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.05). (3) WBC, CRP, LDH, FER, D-D dimer, APTT, TT, PCT, IL-6 and the percentage of neutrophils in peripheral blood in Group II were higher than those in Group I(\n                      <jats:italic>P<\/jats:italic>\n                      \u2009&lt;\u20090.05). (4) In ROC curve analysis, CRP, LDH, FER, and neutrophils of leukocyte classification were independent related factors that could be used as valuable predictors of methylprednisolone pulse therapy for RMPP in children. The cut-off values were CRP44.45\u2009mg\/L, LDH590IU\/L, FER411ng\/L, and neutrophils in leukocyte classification were 73.75%, respectively.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>CRP\u2009\u2265\u200944.45\u2009mg\/L, LDH\u2009\u2265\u2009590\u2009IU\/L, FER\u2009\u2265\u2009411\u2009ng\/L, neutrophil\u226573.75%, lung consolidation, and pleural effusion may be predictors that guide the treatment of RMPP with pulse dose of GC.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1186\/s12879-021-05830-4","type":"journal-article","created":{"date-parts":[[2021,1,28]],"date-time":"2021-01-28T14:05:28Z","timestamp":1611842728000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":60,"title":["Clinical characteristics of refractory mycoplasma pneumoniae pneumonia in children treated with glucocorticoid pulse therapy"],"prefix":"10.1186","volume":"21","author":[{"given":"Zhenli","family":"Zhu","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tongqiang","family":"Zhang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wei","family":"Guo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yaoyao","family":"Ling","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiao","family":"Tian","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5182-2819","authenticated-orcid":false,"given":"Yongsheng","family":"Xu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2021,1,28]]},"reference":[{"issue":"12","key":"5830_CR1","first-page":"915","volume":"50","author":"JR Liu","year":"2012","unstructured":"Liu JR, Peng Y, Yang HM, Li HM, Zhao SY, Jiang ZF. 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