Skip to main content
. 2014 Oct 29;4(4):mmrr2014-004-04-a01. doi: 10.5600/mmrr.004.04.a01

Exhibit 3. Incremental Effects of a Hospital-Acquired Condition on Index Hospital Plus Ninety-Day Episode Medicare Program Payments.

Multivariate Results
Selected hospital-acquired condition Percent difference from matched samples (unadjusted) Point Estimate 95% Confidence Interval Estimated annual impact on Medicare program payments(millions) 95% Confidence Interval (millions)
Severe pressure ulcers 39.4% 32.8% 25.5%–41.2% $18.8 $14.3–$23.5
Falls and trauma: fracture 31.3% 45.8% 42.4%–49.3% $63.2 $58.5–$67.9
Catheter-associated urinary tract infection 17.5% 24.5% 20.6%–28.4% $26.6 $22.4–$30.9
Vascular catheter-associated infection 19.2% 14.3% 11.2%–17.5% $24.6 $19.3–$30.0
Surgical site infectionsfollowing certainorthopedic procedures 41.0% 33.2% 20.8%–47.0% $3.5 $2.2–$4.9
Deep vein thrombosis/ pulmonary embolism following certain orthopedic procedures 16.5% 13.0% 10.8%–15.2% $9.7 $8.0–$11.3

NOTES: Comparison episodes chosen by 5:1 multivariable matching using the characteristics of the index claims with HACs. Multivariate results control for patient and hospital characteristics that affect payment.

SOURCE: Authors’ analysis of FY 2009 and FY 2010 Medicare Part A and Part B episodes of care data.