Healthcare Data Guides

Understand the CMS metrics behind our rankings. Learn how hospital quality, safety, and patient experience are calculated.

What is the HCAHPS Patient Survey?
Learn what the HCAHPS patient survey is, how CMS measures hospital patient experience, and why these scores are critical for choosing a safe and reliable hospital.
Healthcare-Associated Infections (HAI)
A deep dive into how CMS calculates the Standardized Infection Ratio (SIR) and what it means for patient safety and hospital cleanliness.
CMS Overall Hospital Star Rating
Learn the exact methodology and the 5 quality measure groups CMS uses to assign 1 to 5 stars to hospitals nationwide.
Birthing-Friendly CMS Designation
Discover the rigorous criteria a hospital must meet to earn the official CMS Birthing-Friendly label for maternal safety.
Hospital Readmissions (HRRP)
Why returning to the hospital within 30 days is a major red flag, and how CMS financially penalizes hospitals with high readmission rates.
Value-Based Purchasing (VBP)
Discover how Medicare rewards hospitals financially for providing high-quality care, safety, and efficiency rather than just quantity of services.
Timely & Effective Care
In an emergency, "time is tissue". Understand how CMS measures Emergency Department (ED) wait times and swiftness of critical care.
Complications & Deaths
Learn how CMS measures true hospital safety by tracking 30-day mortality rates, surgical complications, and preventable medical errors.
Hospital-Acquired Conditions (HAC)
A look into the PSI-90 score and the penalties hospitals face when patients acquire preventable injuries, like falls or severe bedsores.
Medical Imaging Efficiency
More isn't always better. Discover how CMS measures whether hospitals are overusing MRIs and CT scans, exposing patients to unnecessary radiation and costs.