Hospital rankings
Hospitals in Connecticut with the lowest C. diff infections
25 Connecticut hospitals ranked by C. diff infections in the 2026 Medicare (CMS) data. Leading: Johnson Memorial Hospital, Windham Community Memorial Hospital, William W Backus Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.
| # | Hospital | C. diff infectionslower is better | Serious complicationslower is better | Central line bloodstream infectionslower is better | Catheter-associated urinary tract infectionslower is better | Surgical site infections (colon)lower is better | Surgical site infections (hysterectomy)lower is better | MRSA bloodstream infectionslower is better | Compare |
|---|---|---|---|---|---|---|---|---|---|
| National average | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | 1.00 | ||
| T1 | Johnson Memorial Hospital | 0.00, 90th percentile | 0.97, 46th percentile | — | — | — | — | — | Compare Johnson Memorial Hospital |
| T1 | Windham Community Memorial Hospital | 0.00, 90th percentile | 0.93, 63rd percentile | — | — | — | — | — | Compare Windham Community Memorial Hospital |
| 3 | William W Backus Hospital | 0.04, 79th percentile | 0.76, 96th percentile | 0.22, 72nd percentile | 0.44, 46th percentile | 0.00, 91st percentile | — | 0.00, 91st percentile | Compare William W Backus Hospital |
| 4 | Middlesex Hospital | 0.12, 72nd percentile | 0.82, 90th percentile | 0.21, 73rd percentile | 1.23, 8th percentile | 1.27, 21st percentile | — | 0.00, 91st percentile | Compare Middlesex Hospital |
| 5 | The Hospital Of Central Connecticut | 0.17, 67th percentile | 1.03, 29th percentile | 0.26, 69th percentile | 0.14, 72nd percentile | 0.55, 60th percentile | 0.52, 71st percentile | 0.00, 91st percentile | Compare The Hospital Of Central Connecticut |
| T6 | Danbury Hospital | 0.18, 65th percentile | 0.90, 73rd percentile | 0.23, 72nd percentile | 0.28, 61st percentile | 1.22, 23rd percentile | 1.56, 26th percentile | 0.24, 78th percentile | Compare Danbury Hospital |
| T6 | St Vincent's Medical Center | 0.18, 65th percentile | 0.88, 78th percentile | 0.90, 20th percentile | 0.00, 88th percentile | 1.13, 26th percentile | — | 0.53, 57th percentile | Compare St Vincent's Medical Center |
| 8 | Stamford Hospital | 0.19, 63rd percentile | 0.96, 51st percentile | 1.09, 12th percentile | 0.37, 53rd percentile | 1.03, 30th percentile | — | 0.55, 55th percentile | Compare Stamford Hospital |
| 9 | MidState Medical Center | 0.22, 59th percentile | 0.71, 98th percentile | 0.00, 90th percentile | 0.24, 64th percentile | 0.54, 61st percentile | — | 0.30, 74th percentile | Compare MidState Medical Center |
| 10 | Griffin Hospital | 0.25, 55th percentile | 1.01, 33rd percentile | 0.61, 39th percentile | 0.34, 56th percentile | 0.00, 91st percentile | — | 2.14, 2nd percentile | Compare Griffin Hospital |
| 11 | Norwalk Hospital | 0.26, 53rd percentile | 0.98, 41st percentile | 0.00, 90th percentile | 0.69, 25th percentile | 0.84, 41st percentile | — | 0.56, 54th percentile | Compare Norwalk Hospital |
| 12 | Charlotte Hungerford Hospital | 0.26, 53rd percentile | 0.83, 89th percentile | 0.00, 90th percentile | 0.00, 88th percentile | 1.44, 16th percentile | — | 1.35, 10th percentile | Compare Charlotte Hungerford Hospital |
| 13 | Greenwich Hospital Association - | 0.26, 52nd percentile | 0.92, 67th percentile | 0.37, 61st percentile | 0.48, 41st percentile | 1.13, 26th percentile | — | 0.00, 91st percentile | Compare Greenwich Hospital Association - |
| 14 | St Francis Hospital & Medical Center | 0.27, 52nd percentile | 1.39, 4th percentile | 0.94, 18th percentile | 0.07, 75th percentile | 0.95, 34th percentile | 0.59, 66th percentile | 0.43, 65th percentile | Compare St Francis Hospital & Medical Center |
| 15 | Bridgeport Hospital | 0.27, 52nd percentile | 0.91, 70th percentile | 0.58, 41st percentile | 0.00, 88th percentile | 0.39, 71st percentile | 3.02, 4th percentile | 0.51, 58th percentile | Compare Bridgeport Hospital |
| 16 | Saint Mary's Hospital | 0.35, 40th percentile | 1.00, 35th percentile | 0.24, 71st percentile | 0.73, 23rd percentile | 0.47, 66th percentile | — | 0.00, 91st percentile | Compare Saint Mary's Hospital |
| 17 | Waterbury Hospital | 0.35, 39th percentile | 1.18, 12th percentile | 0.22, 72nd percentile | 0.22, 65th percentile | 0.29, 76th percentile | — | 1.57, 7th percentile | Compare Waterbury Hospital |
| T18 | Yale-New Haven Hospital | 0.37, 37th percentile | 0.70, 98th percentile | 0.57, 42nd percentile | 0.37, 53rd percentile | 0.91, 36th percentile | 0.46, 72nd percentile | 0.58, 52nd percentile | Compare Yale-New Haven Hospital |
| T18 | Lawrence & Memorial Hospital | 0.37, 37th percentile | 1.05, 26th percentile | 0.13, 77th percentile | 0.19, 68th percentile | 0.92, 36th percentile | — | 0.29, 75th percentile | Compare Lawrence & Memorial Hospital |
| 20 | Bristol Hospital | 0.45, 28th percentile | 1.12, 17th percentile | — | — | — | — | — | Compare Bristol Hospital |
| 21 | John Dempsey Hospital Of The University Of Connect | 0.50, 24th percentile | 1.01, 33rd percentile | 0.56, 43rd percentile | 0.52, 38th percentile | 1.94, 6th percentile | — | 0.00, 91st percentile | Compare John Dempsey Hospital Of The University Of Connect |
| 22 | Manchester Memorial Hospital | 0.55, 21st percentile | 0.85, 85th percentile | 0.00, 90th percentile | 0.29, 60th percentile | — | — | 0.00, 91st percentile | Compare Manchester Memorial Hospital |
| 23 | Hartford Hospital | 0.56, 20th percentile | 0.67, 99th percentile | 0.23, 71st percentile | 0.14, 72nd percentile | 0.39, 71st percentile | 1.67, 22nd percentile | 0.55, 55th percentile | Compare Hartford Hospital |
| 24 | Day Kimball Hospital | 0.56, 20th percentile | 0.97, 46th percentile | — | — | — | — | — | Compare Day Kimball Hospital |
| 25 | Sharon Hospital | 0.85, 8th percentile | 0.94, 59th percentile | — | — | — | — | — | Compare Sharon Hospital |
About these rankings
Rankings use the 2026 release of CMS Care Compare data. Hospitals share a rank (“T”) when their values are equal, and only hospitals with a reported value for the sorted measure are ranked. Shading compares each value with every hospital in the country, so it doesn’t change with your filters. Small differences are often not statistically meaningful; use the methodology and glossary for context.
- C. diff infections
- Clostridium difficile (C. diff) intestinal infections (standardized infection ratio; 1.0 = national baseline).
- Serious complications
- Patient safety and adverse events composite (PSI 90; 1.0 = national value).
- Central line bloodstream infections
- Central line-associated bloodstream infections (CLABSI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Catheter-associated urinary tract infections
- Catheter-associated urinary tract infections (CAUTI) in ICUs and select wards (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (colon)
- Surgical site infections from colon surgery (standardized infection ratio; 1.0 = national baseline).
- Surgical site infections (hysterectomy)
- Surgical site infections from abdominal hysterectomy (standardized infection ratio; 1.0 = national baseline).
- MRSA bloodstream infections
- Methicillin-resistant Staphylococcus aureus (MRSA) blood laboratory-identified events (standardized infection ratio; 1.0 = national baseline).