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Table 1 Characteristics of pleural empyema patients with and without lung abscess

From: Lung abscess predicts the surgical outcome in patients with pleural empyema

 

Lung abscess

(N = 22)

Non- lung abscess

(N = 237)

P-value

Age (year)

51.9 ± 25.0

57.8 ± 18.4

P = 0.298

Gender

   Male

18

184

P = 0.792

   Female

4

53

 

Diabetes mellitus

5

71

P = 0.476

Cerebrovascular accident

4

26

P = 0.299

Hypertension

5

76

P = 0.366

Tuberculosis

1

25

P = 0.371

Chronic obstructive pulmonary disease

1

11

P = 1.000

Peptic ulcer

2

17

P = 0.669

Asthma

1

3

P = 0.300

Lung cancer

0

9

P = 1.000

Other malignancy

2

16

P = 0.656

Leukocytosis (WBC > 10000/mm3)

21

150

P = 0.002*

Heart rate (/min)

96.3 ± 18.8

94.5 ± 16.5

P = 0.418

Mean arterial pressure (mmHg)

93.1 ± 10.8

96.9 ± 14.0

P = 0.211

Body temperature (°C)

37.0 ± 0.8

37.1 ± 2.1

P = 0.947

Respiratory rate (/min)

23.0 ± 6.5

21.6 ± 5.2

P = 0.233

  1. 1. Values are medians ± standard error for continuous variables or # cases for categorical variables.
  2. 2. P-values from Mann-Whitney U test (continuous variables) or Fisher exact test (categorical variables).