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Table 1 Demographic and clinical characteristics of the subjects enrolled in this study

From: Respiratory MUC5B disproportion is involved in severe community-acquired pneumonia

Characteristic

NSCAP

SCAP

p value

Demographics

N

73

45

 

Age (years)

50.9 ± 14.1

56.2 ± 16.7

0.068

Gender, male (%)

42 (57.5%)

18 (40.0%)

0.064

Symptoms and CURB-65 score

Cough

62 (84.9%)

40 (88.9%)

0.542

Sputum

54 (74%)

36 (80%)

0.455

Difficulty breathing

14 (19.2%)

22 (48.9%)

0.001

Fever

35 (47.9%)

24 (53.3%)

0.570

CURB-65 score

 0

57 (78.1%)

20 (44.4%)

< 0.001

 1

15 (20.5%)

14 (31.1%)

 2

1 (1.4%)

8 (17.8%)

 3

0 (0%)

2 (4.4%)

 4

0 (0%)

1 (2.2%)

 5

0 (0%)

0 (0%)

Comorbid conditions

Current or ex-smoker

21 (28.8%)

6 (13.3%)

0.053

Hypertension

15 (20.5%)

15 (33.3%)

0.121

Diabetes mellitus

9 (12.3%)

6 (13.3%)

0.874

Chronic cardiac disease

1 (1.4%)

1 (2.2%)

0.728

Prior malignancy

5 (6.8%)

0 (0%)

0.073

Immune disorder

0 (0%)

1 (2.2%)

0.201

Inflammatory biomarkers in Peripheral blood

WBC (109/l)

6.1 (4.9–8.0)

6.5 (5.2–8.1)

0.814

NEUT (%)

64.6 (54.6–73.4)

71.0 (61.3–78.0)

0.028

LYM (%)

26.7 (18.3–35.2)

19.6 (16.4–30.0)

0.028

MO (%)

6.0 (5.0–7.3)

5.7 (4.5–7.9)

0.459

EO (%)

1.5 (0.7–2.6)

1.6 (0.7–2.4)

0.934

PLT (109/l)

230 (178.5–269.5)

229 (168.5–249.5)

0.458

LDH (U/l)

108.0 (20.8–177.0)

203.0 (177.5–231.0)

< 0.001

CRP (mg/l)

3.8 (0.6–29.0)

16.0 (2.4–56.7)

0.024

ESR (mm/h)

21.0 (8.0–32.0)

56.5 (37.8–87.3)

< 0.001

Fib (g/l)

3.3 (2.4–5.1)

4.4 (3.2–5.9)

0.012

D-D (mg/l)

0.3 (0.1–0.7)

0.6 (0.4–1.2)

0.002

  1. Data presented as number (percentage) or mean ± SD or median (interquartile range)
  2. CAP, community-acquired pneumonia; NSCAP, non-severe CAP; SCAP, severe CAP; CURB-65, confusion, urea level, respiratory rate, blood pressure, and age > 65 years; WBC, white blood cell; NEUT%, percentage of neutrophils; LYM%, percentage of lymphocytes; MO%, percentage of monocytes; EO%, percentage of eosinophilic granulocytes; PLT, blood platelets; LDH, lactate dehydrogenase; CRP, C-reactive protein; ESR, erythrocyte sedimentation rate; Fib, fibrinogen; D-D, d-dimer