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Table 3 Conventional logistic model using data of the training cohort: RMPP-3

From: Prediction model for prolonged fever in patients with Mycoplasma pneumoniae pneumonia: a retrospective study of 716 pediatric patients

  Univariate Multivariate
Odds ratio 95% confidence interval p-value Odds ratio 95% confidence interval p-value
Age (years) 1.046 (0.985, 1.110) 0.140    
Sex (female: male) 1.345 (0.922, 1.955) 0.125    
WBC × 103/µL 1.000 (1.000, 1.000) < 0.001    
Neutrophils (%) 1.024 (1.009, 1.039) 0.002    
Absolute neutrophil count × 103/µL 1.000 (1.000, 1.000) 0.018    
Lymphocytes (%) 0.972 (0.955, 0.990) 0.002    
Absolute lymphocyte count × 103/µL 0.999 (0.999, 1.000) < 0.001    
Hemoglobin (g/dL) 0.946 (0.772, 1.159) 0.590    
Platelets × 103/µL 0.991 (0.989, 0.994) < 0.001 0.991 (0.988, 0.994) < 0.001
ESR (mm/hr) 1.007 (0.997, 1.017) 0.179    
CRP (mg/L) 1.019 (1.013, 1.026) < 0.001 1.014 (1.008, 1.021) < 0.001
Procalcitonin (ng/mL) 0.973 (0.845, 1.120) 0.700    
LDH (IU/L) 1.004 (1.002, 1.007) < 0.001 1.006 (1.003, 1.009) < 0.001
AST (IU/L) 1.006 (0.998, 1.013) 0.126    
ALT (IU/L) 0.999 (0.995, 1.003) 0.563    
Concurrent respiratory virus 1.444 (0.919, 2.270) 0.111    
Oxygen requirement 0.766 (0.247, 2.379) 0.645    
Radiologic grouping    < 0.001    < 0.001
 Group 1    
 Group 2 2.786 (1.451, 5.352) 0.002 2.408 (1.209, 4.796) 0.012
 Group 3 10.385 (5.379, 20.049) < 0.001 8.080 (4.005, 16.302) < 0.001
 Group 4 91.385 (10.899, 766.257) < 0.001 11.827 (1.181, 118.493) 0.036
Pleural effusion 4.191 (2.325, 7.552) < 0.001    
  1. RMPP-3 Refractory Mycoplasma pneumoniae pneumonia with fever for ≥ 72 h, ESR Erythrocyte sedimentation rate, CRP C-reactive protein, LDH Lactate dehydrogenase, AST Aspartate aminotransferase, ALT Alanine aminotransferase