A randomized controlled trial of Golden Ratio, Feng Shui, and evidence based design in healthcare.

Background: In a global effort to design better hospital buildings for people and organizations, some design principles are still surrounded by great mystery. The aim of this online study was to compare anxiety in an existing single-bed inpatient hospital room with three redesigns of this room in accordance with the principles of Golden Ratio, Feng Shui, and Evidence-Based Design.

Methods: In this online multi-arm parallel-group randomized trial participants were randomly assigned (1:1:1:1) to one of four conditions, namely Golden Ratio condition, Feng Shui condition, Evidence-Based Design condition, or the control condition.

Efficacy and safety of oxymorphone immediate release for the treatment of mild to moderate pain after ambulatory orthopedic surgery: results of a randomized, double-blind, placebo-controlled trial.

Objective: To assess the analgesic efficacy and safety of 5 mg of oxymorphone immediate release (IR) for mild to moderate pain.

Design: Multicenter, double-blind, randomized, placebo-controlled study.

Setting: Ambulatory surgical centers.