Calculations based on these sources; sample calculations available upon request. 1. Computers, Informatics, Nursing: September/October 2009 - Volume 27 - Issue 5 - pp 318-323, Connected Care: Reducing Errors Through Automated Vital Signs Data Upload, SMITH, LAURA B. MSN, RN; et al. 2. Automated Vital Sign Documentation for Medical Surgical Units: Saving Time and Increasing Accuracy: Fact or Fairytale? Meg Meccariello RN MS, Jennifer Johnstone RN MS, Presented at The Nursing Management Congress 2008 Las Vegas, NV. 3. Vital signs measurement frequency estimates from Lippincott's Textbook for Nursing Assistants: A Humanistic Approach to Caregiving" Pamela J. Carter - 2007 Page 292. 4. Hospital beds (most recent) by country estimates from NationMaster.com, http://www.nationmaster.com/graph/hea_hos_bed-health-hospital-beds 5. Population, Source: U.S. Census Bureau, Population Division.