Research Article

Blood and Bronchoalveolar Lavage Fluid Metagenomic Next-Generation Sequencing in Pneumonia

Table 1

Baseline characteristics of 39 patients.

CharacteristicValue (median (IQRs) or no. (%))

Age (years)
 Years56 (34, 66)
Distribution
 ≤18 years old4 (10.3%)
 19–40 years old6 (15.3%)
 41–60 years old12 (30.8%)
 >60 years old17 (43.6%)
Male sex30 (76.9%)
Onset symptoms
 Dyspnea21 (53.8%)
 Fever26 (66.7%)
 Cough30 (76.9%)
 Hemoptysis3 (7.7%)
Inflammation biomarker
 WBC (109/L)10.5 (8.5, 14.8)
 NEU (%)85.8 (77.7, 90.3)
 Lym (109/L)0.78 (0.59, 1.47)
 PCT (ng/ml)0.81 (0.17, 2.3)
 CRP (mg/L)122 (34, 187)
 ESR (mm/h)57 (29, 84)
Comorbidity
 Diabetes mellitus7 (17.9%)
 Chronic kidney disease9 (23.1%)
 Liver disease4 (10.3%)
Immunocompromised
 Solid organ transplantation2 (5.1%)
 Malignancies1 (2.6%)
 Chemotherapy3 (7.7%)
 Immunosuppression for rheumatological diseases4 (10.3%)
 Immunosuppression for chronic kidney disease4 (10.3%)
ICU admission35 (89.7%)
Severity score
 APACHE II14.0 (7.8, 21.5)
 SOFA4.5 (2.0, 9.0)
Disease-onset to sampling time (days)22 (12, 36)
Length of stay (days)
 In hospital16 (8, 39)
 In ICU12 (4, 30)

Abbreviations: WBC, white blood cells; NEU%, percentage of neutrophil; Lym, lymphocytes; PCT, procalcitonin; CRP, C reactive protein; ESR, erythrocyte sedimentation rate; APACHE, acute physiology and chronic health evaluation scoring system; SOFA, sequential organ failure assessment; ICU, intensive care unit.