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Table 1 Patient demographics by device type

From: Using a Powered Bone Marrow Biopsy System Results in Shorter Procedures, Causes Less Residual Pain to Adult Patients, and Yields Larger Specimens

Variable

Manual

Powered

p-value

Male/female (%)

60.0/40.0

51.9/48.1

0.432

Mean age (years)

66.4 ± 13.4

66.2 ± 14.7

0.952

Mean height (cm)

169.9 ± 10.8

168.0 ± 9.5

0.355

Mean weight (kg)

78.1 ± 16.5

74.7 ± 16.9

0.312

Mean body mass index

26.9 ± 4.4

26.4 ± 5.4

0.588

Frequency of disease categories

  

0.135

   Lymphoma

12

14

 

   Leukemia

13

12

 

   Multiple myeloma

10

8

 

   Hematological

0

6

 

   Leukemia/lymphoma

2

0

 

   Other

13

12