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Table 1 Subjects’ characteristics

From: Improved heart hemodynamics after draining large-volume pleural effusion: a prospective cohort study

Variables

Total

Lateral of effusion, n (%)

P* value

Left

Right

Subjects, n(%)

47 (100.0)

23 (48.9)

24 (51.1)

 

Gender, n (%)

 Female

18 (38.3)

5 (21.7)

13 (54.2)

0.022

 Male

29 (61.7)

18 (78.3)

11 (45.8)

 

Age, yr., mean ± SD

56.4 ± 19.5

52.6 ± 19.0

63.1 ± 17.3

0.726

BSA, mean ± SD

1.73 ± 0.19

1.83 ± 0.16

1.63 ± 0.17

0.582

Smoking status, n (%)

 Current or previous smoker

18 (38.3)

6 (26.1)

12 (50.0)

0.092

 Non-smoker

29 (61.7)

17 (73.9)

12 (50.0)

 

Past history

 Tuberculosis

4 (8.5)

3 (13.0)

1 (4.2)

0.546

 Malignancy

4 (8.5)

2 (8.7)

2 (8.3)

 

 NA

39 (83.0)

18 (78.3)

21 (87.5)

 

Size of effusion, n (%)

 Small

8 (17.0)

3 (13.0)

5 (20.8)

0.696

 Moderate

9 (19.1)

4 (17.4)

5 (20.8)

 

 Large

30 (63.9)

16 (69.6)

14 (58.3)

 

volume of effusion, (ml)

 Total volume

2142.2 ± 1393.7

2194.6 ± 1511.1

2203.6 ± 1301.8

0.827

 Immediate volume

1414.4 ± 727.9

1384.8 ± 982.0

1495.2 ± 947.6

0.744

 24 h volume

943.6 ± 742.8

809.8 ± 787.2

708.4 ± 708.0

0.855

Effusion appearance, n (%)

 Bloody

20 (42.5)

11 (47.8)

9 (37.5)

0.474

 Yellow

27 (57.5)

12 (52.2)

15 (62.5)

 

Operation

 IPC

15 (31.9)

8 (34.8)

7 (29.2)

0.893

 Thoracentesis

10 (21.3)

5 (21.7)

5 (20.8)

 

 thoracoscopic

22 (46.8)

10 (43.5)

12 (50.0)

 

Pre Nt-pro-BNP (ng/ml)

221.3 ± 316.5

126.7 ± 176.6

320.2 ± 396.5

0.004

  1. Abbreviations: SD standard deviation, IPC indwelling pleural catheter
  2. P*, Wilcoxon’s test or Pearson’s χ2 test, P < 0.05