Impact of a personalized intervention on preoperative anxiety and determination of the minimal clinically important difference in anxiety levels - a randomized clinical trial.

Background: Preoperative anxiety is common and most patients experiencing preoperative anxiety would welcome support to cope with their anxiety. Studies examining the effectiveness of information to reduce anxiety have been inconsistent. In addition, it is unclear whether results reported to be statistically significant are also clinically relevant.

In-Line Wood Defect Detection Using Simple Scalar Network Analyzer.

Timber is widely used in new structures. The leading causes of structural failure are sited at bolt connections, cavities, and knots. This paper introduces a simple method to detect bolts in wood using a UHF Scalar Network Analyzer (SNA).