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Table 1 Patient characteristics

From: Critical combination of initial markers for predicting refractory Mycoplasma pneumoniae pneumonia in children: a case control study

  Group I Group II Group III Group IV Group V
N 38 15 42 19 9
Median age (yr) 7 5 4 5 5
Sex (M:F) 21:17 9:6 25:17 11:8 4:5
  1. Group I: general MP pneumonia; Group II: refractory MP pneumonia; Group III: general MP pneumonia + viral pneumonia; Group IV: viral pneumonia; Group V: control