When Using a Portable C-Arm for a Surgical Hip Pinning

question 20

Multiple Choice

When using a portable C-arm for a surgical hip pinning,

• A) sterility will be maintained using a "shower curtain" approach.
• B) snap covers are not recommended.
• C) the surgeon can reach through the curtain and move the C-arm manually.
• D) an additional sterile towel is positioned over the incision site and then removed when the C-arm is brought into the field of view for imaging.

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Definitions:

Matched Pairs Differences

A statistical technique used to compare two measurements taken under similar conditions from the same or matched subjects.

Sign Test Statistic

The calculated value used in the Sign Test to determine the statistical significance of the observed data.

Distribution

Distribution in statistics refers to the way in which values of a variable or a set of data are spread or dispersed across a range.

Matched Pairs Differences

A statistical technique that examines differences between paired observations to test the significance of the mean difference.