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Table 1 Clinical characteristics of 445 cancer patients with malignant pleural effusion undergoing US-guided (group B) and conventional thoracentesis (group A)

From: Ultrasound guidance reduces pneumothorax rate and improves safety of thoracentesis in malignant pleural effusion: report on 445 consecutive patients with advanced cancer

 

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