Table 1 Clinical characteristics of the sole operation group and the operation without pre-operative tube thoracostomy.

From: Comparison of outcome between sole operation and operation after tube thoracostomy in late phase empyema

 

Sole operation

Operation after tube thoracostomy

p value

Number of patients

713

310

 

Age(years) mean ± SD

62.36 ± 15.20

61.82 ± 15.62

0.525

Gender

Male

563(79.0%)

234(75.5%)

0.218

Female

150(21.0%)

76(24.5%)

 

CCI score

2.74 ± 2.53

3.13 ± 2.46

0.006*

CCI score

0

154(21.6%)

45(14.8%)

0.020*

1 ~ 2

241(33.8%)

102(32.9%)

 

3

318(44.6%)

162(52.3%)

 

Phase

II

568(79.7%)

239(77.1%)

0.355

III

145(20.3%)

71(22.9%)

 

Location

Right

421(59.0%)

202(65.2%)

0.098

Left

285(40.0%)

103(33.2%)

 

Bilateral

7(1.0%)

5(1.6%)

 

Pathogen

No growth

340(47.7%)

104(33.5%)

< 0.001*

Single

288(40.4%)

135(43.5%)

 

Multiple

85(11.9%)

71(22.9%)

 

Cause

Pneumonia

627(87.9%)

201(64.8%)

< 0.001*

From abdomen

19(2.7%)

18(5.8%)

 

From neck/mediastinum

3(0.4%)

3(1.0%)

 

Cancer related

30(4.2%)

33(10.6%)

 

Iatrogenic

9(1.3%)

23(7.4%)

 

Trauma

3(0.4%)

15(4.8%)

 

From esophageal

5(0.7%)

3(1.0%)

 

Others

17(2.4%)

14(4.5%)

 

Lab data

WBC, Mean ± SD (/µL)

14107.98 ± 6669.87

13493.71 ± 6493.04

0.169

ANC, Mean ± SD (/µL)

11828.31 ± 6691.97

11389.00 ± 6119.64

0.493

  1. CCI Charlson comorbidity index; WBC white blood count; ANC absolute neutrophil count.