Table 2 |
|||
|
Results by device type |
|||
|
Device Efficacy |
Manual |
Powered |
p-value |
|
|
|||
|
Able to acquire biopsy core specimen |
98.0% |
90.4% |
0.205 |
|
|
|||
|
Mean number attempts for core acquisition |
1.5 ± 0.8 |
1.2 ± 0.5 |
0.112 |
|
|
|||
|
Mean time core acquisition (seconds) |
203.1 ± 149.5 |
102.1 ± 85.4 |
0.000* |
|
|
|||
|
Patient Pain Scores |
Manual |
Powered |
p-value |
|
|
|||
|
Mean VAS needle insertion (0-10) |
3.2 ± 2.9 |
3.1 ± 3.1 |
0.900 |
|
|
|||
|
Mean VAS overall (0-10) |
3.5 ± 2.3 |
3.8 ± 2.8 |
0.623 |
|
|
|||
|
Pain-free patients 24 hours post procedure |
33.3% |
66.7% |
0.003* |
|
|
|||
|
Pain-free patients 7 days post procedure |
76.1% |
82.6% |
0.607 |
|
|
|||
|
Satisfaction & Complications |
Manual |
Powered |
p-value |
|
|
|||
|
Operator satisfaction (0-10) |
7.8 ± 2.1 |
8.1 ± 1.7 |
0.488 |
|
|
|||
|
Patient satisfaction (0-10) |
9.3 ± 1.6 |
9.4 ± 1.2 |
0.778 |
|
|
|||
|
Device related complications |
0% |
3.8% |
0.495 |
|
|
|||
|
Core Biopsy Pathology Assessment |
Manual |
Powered |
p-value |
|
|
|||
|
Mean length (mm) |
11.0 ± 5.5 |
13.3 ± 6.6 |
0.368 |
|
|
|||
|
Mean width (mm) |
1.3 ± 0.5 |
1.7 ± 0.5 |
0.123 |
|
|
|||
|
Mean volume (mm3) |
20.4 ± 9.0 |
36.8 ± 21.2 |
0.039* |
|
|
|||
|
General quality excellent/good |
80.0% |
66.7% |
0.628 |
|
|
|||
|
Medullary quality excellent/good |
70.0% |
55.6% |
0.650 |
|
|
|||
|
Overall quality rated adequate |
70.0% |
77.8% |
1.000 |
|
|
|||
|
*denotes statistical significance |
|||
|
Berenson et al. Diagnostic Pathology 2011 6:23 doi:10.1186/1746-1596-6-23 |
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