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Table 3 Laboratory test results of patients in different groups

From: Etiological analysis and predictive diagnostic model building of community-acquired pneumonia in adult outpatients in Beijing, China

  Groups
V(n = 122) M(n = 49) B(n = 33) MIX(n = 67) N(n = 229) P
WBC counts (×109/L) 7.9 ± 3.5 8.4 ± 3.7 7.5 ± 3.4 7.5 ± 3.5 8.7 ± 4.1 >0.05
<4.0 (%) 7(5.7) 5(10.2) 4(12.1) 6(9.0) 12(5.2) >0.05
4.0 ~ 10.0 (%) 90(73.8) 31(63.3) 24(72.7) 51(76.1) 151(65.9) >0.05
>10.0 (%) 25(20.5) 13(26.5) 5(15.2) 10(14.9) 66(28.8) >0.05
Neutrophil (%) 70.6 ± 12.2 70.1 ± 11.0 71.3 ± 13.5 69.0 ± 13.9 69.7 ± 14.5 >0.05
Lymphocyte (%) 20.3 ± 9.8 20.1 ± 8.3 20.5 ± 11.2 21.2 ± 9.9 21.3 ± 11.6 >0.05
Hematocrit (%) 40.9 ± 6.7 39.9 ± 3.9 40.5 ± 5.1 39.3 ± 4.7 40.3 ± 21.7 >0.05
Platelets (×109/L) 209.7 ± 76.8 206.6 ± 65.4 194.6 ± 80.4 202.7 ± 68.0 218.3 ± 66.9 >0.05
Alanine aminotransferase (U/L) 28 ± 22.8 25.0 ± 15.0 45.1 ± 57.0 25.9 ± 20.6 29.3 ± 31.0 >0.05
Aspartate aminotransferase (U/L) 28.3 ± 16.5 26.1 ± 13.1 37.7 ± 37.4 29.4 ± 48.6 26.5 ± 20.1 >0.05
Blood creatinine (μmol/L) 68.7 ± 22.9 64.3 ± 19.5 65.7 ± 14.8 59.8 ± 17.2 66.3 ± 48.3 >0.05
Blood sodium (mmol/L) 137.6 ± 3.7 137.5 ± 4.2 137.8 ± 3 138.0 ± 3.3 138.5 ± 3.4 >0.05
pH 7.4 ± 0.0 7.4 ± 0.0 7.4 ± 0.0 7.4 ± 0.0 7.4 ± 0.1 >0.05
PaO2 (mmHg) 80.3 ± 14.9 79.5 ± 17.6 85.5 ± 50.1 85.2 ± 17.8 82.8 ± 19.8 >0.05
ESR1 (mm) 34.7 ± 26.1 39.7 ± 21.6 43.5 ± 26.4 39.2 ± 23.9 40.9 ± 28.4 >0.05
C-reactive protein (mg/L) 50.7 ± 60 52 ± 42.8 67.5 ± 56.6 58.8 ± 92.2 62.9 ± 61.7 >0.05
Prothrombin time (s) 12.3 ± 2.2 12.5 ± 1.3 12.7 ± 1.7 12.3 ± 1.6 12.7 ± 3.7 >0.05
APTT2(s) 35.8 ± 9.3 35.7 ± 9.5 29.7 ± 6.7 33.1 ± 14.3 32.8 ± 5.7 >0.05
  1. Notes: V: single viral infection; M: single mycoplasma pneumoniae infection; B: single bacterial infection; MIX: mixed infections; N: no pathogen detected. 1ESR, erythrocyte sedimentation rate; 2APTT, activated partial thromboplastin time.