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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