Hospital-Acquired Infection Rate (HAI)
Percentage of hospital patients acquiring infections during their stay
FORMULA
HAI Rate = (Number of Hospital-Acquired Infections / Number of Patient Days) × 1,000
Alternate Calculations
By Type
(CLABSI + CAUTI + SSI / Total Patients) × 100What is Hospital-Acquired Infection Rate?
Hospital-Acquired Infection Rate (HAI) measures the percentage of patients who develop infections during their hospital stay, including CLABSI (Central Line-Associated Bloodstream Infections), CAUTI (Catheter-Associated Urinary Tract Infections), and SSI (Surgical Site Infections). HAI is a critical patient safety metric.
Lower HAI rates indicate better infection control protocols and patient safety practices. Required reporting to CMS and used in hospital quality benchmarking. Directly impacts patient outcomes and length of stay.
Chart
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Sample Data
| month | patients | days | infections | rate |
|---|---|---|---|---|
| Jan | 850 | 6,200 | 8 | 1.29 |
| Feb | 825 | 6,000 | 7 | 1.17 |
| Mar | 900 | 6,500 | 6 | 0.92 |
| Apr | 920 | 6,700 | 5 | 0.75 |
| May | 880 | 6,400 | 4 | 0.63 |
| Jun | 910 | 6,600 | 3 | 0.45 |
Required Data Columns
total_patientspatient_daysinfectionsrate