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Table 1 Demographic and clinical features, inflammatory markers, and the findings of bronchoscopy and chest imaging in all patients

From: High Mycoplasma pneumoniae loads and persistent long-term Mycoplasma pneumoniae DNA in lower airway associated with severity of pediatric Mycoplasma pneumoniae pneumonia

 Group LT(n = 50)Group NLT(n = 44)P Value
Male/female22/2825/19P = 0.215
Age (years)7.23 ± 2.487.75 ± 2.28P = 0.409
Disease course before first admission (days)17.40 ± 13.339.27 ± 3.79P < 0.001
Respiratory failure (n/%)12/(24%)0/(0%)P = 0.001
WBC (×109/L)11.85 ± 4.618.47 ± 2.48P < 0.001
CRP (mg/L)104.96 ± 54.2030.32 ± 20.64P < 0.001
LDH (IU/L)681.00 ± 298.24330.11 ± 81.37P < 0.001
Bronchoscopy findings
 Early stage
  Mucous plug (n/%)41/(82%)3/(6.8%)P < 0.001
  Mucus necrosis (n/%)29/(58%)3/(6.8%)P < 0.001
 Late stage
  Stenosis (n/%)13/(26%)3/(6.8%)P = 0.014
  AO (n/%)13/(26%)2/(4.5%)P = 0.005
Chest imaging findings
 Consolidation (>one pulmonary lobe) (n/%)46/(92%)0/(0%)P < 0.001
 Pleural effusion (n/%)34/(68%)2/(4.5%)P < 0.001
Pulmonary embolism (n/%)8/(16%)0/(0%)P < 0.001
 NP (n/%)28/(56%)1/(2.3%)P < 0.001
  1. Short names: WBC white blood cells, CRP C reactive protien, LDH lactate dehydrogenase, AO Airway obliterans, NP necrotizing pneumonia