Wyniki wyszukiwania:

This book is a thorough guide on how to perform safe and effective thread-lifting procedures as a less invasive approach to rejuvenation of the face. The opening chapters explain the importance of the fixation technique, describe the facial and the pinch anatomy, and discuss the characteristics of absorbable threads. Clear descriptions are then offered of the basic technique employed for thread lifting, as well as techniques applicable for each thread type and techniques specific to each anatomic area. Understanding is aided by the inclusion of an abundance of illustrations depicting...

Accurate sample size calculation ensures that clinical studies have adequate power to detect clinically meaningful effects. This results in the efficient use of resources and avoids exposing a disproportionate number of patients to experimental treatments caused by an overpowered study.

Sample Size Calculations for Clustered and Longitudinal Outcomes in Clinical Research explains how to determine sample size for studies with correlated outcomes, which are widely implemented in medical, epidemiological, and behavioral studies.

The book focuses on issues specific to the two types of...