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Table 1 Clinical characteristics of the severe psittacosis pneumonia cases

From: Application of metagenomic next-generation sequencing in the diagnosis of severe pneumonia caused by Chlamydia psittaci

Characteristics

Patients, n (%)

Median value, (range)

Demographics

Male/female

7/6

 

Age, median (range, years)

 

65 (33–78)

History of contact with avian or poultry

5/13 (38.46)

 

Underlying disease

5/13 (38.46)

 

Clinical manifestations

Fever > 38.5 °C

13/13 (100.00)

 

Cough, dyspnea

13/13 (100.00)

 

Headache

6/13 (46.15)

 

Myalgia

10/13 (76.92)

 

Septic shock

9/13 (69.23)

 

Invasive ventilator support

5/13 (38.46)

 

Days from illness to respiratory failure

 

8 (2–10)

Laboratory testing

Elevated WBC (normal 4–10, × 109/L)

2/13 (15.38)

7.50 (3.20–18.28)

Elevated percentage of neutrophils (normal 45–75%)

13/13 (100.0)

0.90 (0.63–0.97)

Elevated CRP (normal 0–8mg/L)

13/13 (100.0)

172.87(45.99–270.00)

Increased PCT (normal 0–0.5 ng/ml)

9/13 (69.23)

3.96 (0.06–25.78)

Imaging

  

Lesion began in lower lobe of lung

8/13 (61.54)

 

Lesion began in upper lobe of lung

5/13(38.46)

 

Consolidation with air bronchograms

13/13 (100.00)

 

Complete CT recovery in survivors

11/11 (100.00)

 

Oxygen therapy method

noninvasive ventilator

8/13(61.5)

 

invasive ventilator

5/13(38.46)

 
  1. CRP C-reactive protein, CT computed tomography, PCT procalcitonin, WBC white blood cell