Skip to main content
. 2014 May 2;12:139. doi: 10.1186/1477-7819-12-139

Table 1.

Clinical characteristics of 445 cancer patients with malignant pleural effusion undergoing US-guided (group B) and conventional thoracentesis (group A)

  Group A
Group B
P value
 N    N  
 
  135
30.34%
   310
69.66%
 
Inpatient/Outpatient (N)
72/63
 
 
84/226
0.0001
Male/Female (N)
75/60
177/133
0.843
Age (mean) (range)
70.9 (19-87)
71 (18-88)
0.916
Final diagnosis
N (%)
 
 
Lung cancer
70 (51.86)
125 (40.32)
0.031
Breast cancer
56 (41.48)
119 (38.39)
0.610
Gastrointestinal cancer
4 (2.96)
31 (10)
0.019
Other
5 (3.70)
35 (11.29)
0.017
Diagnostic thoracentesis
7 (5.19)
35 (11.29)
0.064
Therapeutic thoracentesis
103 (76.30)
199 (64.19)
0.016
Diagnostic and therapeutic thoracentesis
25 (18.51)
76 (24.52)
0.206
Volume of pleural fluid removed (mL)
 
 
 
Median (range) 750 40-1,700 1100 70-2,300 0.447