Hospital rankings

Hospitals in Connecticut with the lowest surgical site infections (colon)

19 Connecticut hospitals ranked by surgical site infections (colon) in the 2026 Medicare (CMS) data. Leading: Griffin Hospital, William W Backus Hospital, Waterbury Hospital. Filter by type, ownership and size, choose the measures you care about, and sort by any column.

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19 hospitals ranked in Connecticut by surgical site infections (colon); 17 more match but have no reported value.

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Hospital rankings, page 1 of 1. Columns can be sorted.
#	Hospital	Surgical site infections (colon)lower is better	Serious complicationslower is better	Central line bloodstream infectionslower is better	Catheter-associated urinary tract infectionslower is better	Surgical site infections (hysterectomy)lower is better	MRSA bloodstream infectionslower is better	C. diff infectionslower is better	Compare
	National average	1.00	1.00	1.00	1.00	1.00	1.00	1.00
T1	Griffin HospitalDerby, CT · Acute care	0.00, 91st percentile	1.01, 33rd percentile	0.61, 39th percentile	0.34, 56th percentile	—	2.14, 2nd percentile	0.25, 55th percentile	Compare Griffin Hospital
T1	William W Backus HospitalNorwich, CT · Acute care	0.00, 91st percentile	0.76, 96th percentile	0.22, 72nd percentile	0.44, 46th percentile	—	0.00, 91st percentile	0.04, 79th percentile	Compare William W Backus Hospital
3	Waterbury HospitalWaterbury, CT · Acute care	0.29, 76th percentile	1.18, 12th percentile	0.22, 72nd percentile	0.22, 65th percentile	—	1.57, 7th percentile	0.35, 39th percentile	Compare Waterbury Hospital
4	Bridgeport HospitalBridgeport, CT · Acute care	0.39, 71st percentile	0.91, 70th percentile	0.58, 41st percentile	0.00, 88th percentile	3.02, 4th percentile	0.51, 58th percentile	0.27, 52nd percentile	Compare Bridgeport Hospital
5	Hartford HospitalHartford, CT · Acute care	0.39, 71st percentile	0.67, 99th percentile	0.23, 71st percentile	0.14, 72nd percentile	1.67, 22nd percentile	0.55, 55th percentile	0.56, 20th percentile	Compare Hartford Hospital
6	Saint Mary's HospitalWaterbury, CT · Acute care	0.47, 66th percentile	1.00, 35th percentile	0.24, 71st percentile	0.73, 23rd percentile	—	0.00, 91st percentile	0.35, 40th percentile	Compare Saint Mary's Hospital
7	MidState Medical CenterMeriden, CT · Acute care	0.54, 61st percentile	0.71, 98th percentile	0.00, 90th percentile	0.24, 64th percentile	—	0.30, 74th percentile	0.22, 59th percentile	Compare MidState Medical Center
8	The Hospital Of Central ConnecticutNew Britain, CT · Acute care	0.55, 60th percentile	1.03, 29th percentile	0.26, 69th percentile	0.14, 72nd percentile	0.52, 71st percentile	0.00, 91st percentile	0.17, 67th percentile	Compare The Hospital Of Central Connecticut
9	Norwalk HospitalNorwalk, CT · Acute care	0.84, 41st percentile	0.98, 41st percentile	0.00, 90th percentile	0.69, 25th percentile	—	0.56, 54th percentile	0.26, 53rd percentile	Compare Norwalk Hospital
10	Yale-New Haven HospitalNew Haven, CT · Acute care	0.91, 36th percentile	0.70, 98th percentile	0.57, 42nd percentile	0.37, 53rd percentile	0.46, 72nd percentile	0.58, 52nd percentile	0.37, 37th percentile	Compare Yale-New Haven Hospital
11	Lawrence & Memorial HospitalNew London, CT · Acute care	0.92, 36th percentile	1.05, 26th percentile	0.13, 77th percentile	0.19, 68th percentile	—	0.29, 75th percentile	0.37, 37th percentile	Compare Lawrence & Memorial Hospital
12	St Francis Hospital & Medical CenterHartford, CT · Acute care	0.95, 34th percentile	1.39, 4th percentile	0.94, 18th percentile	0.07, 75th percentile	0.59, 66th percentile	0.43, 65th percentile	0.27, 52nd percentile	Compare St Francis Hospital & Medical Center
13	Stamford HospitalStamford, CT · Acute care	1.03, 30th percentile	0.96, 51st percentile	1.09, 12th percentile	0.37, 53rd percentile	—	0.55, 55th percentile	0.19, 63rd percentile	Compare Stamford Hospital
14	St Vincent's Medical CenterBridgeport, CT · Acute care	1.13, 26th percentile	0.88, 78th percentile	0.90, 20th percentile	0.00, 88th percentile	—	0.53, 57th percentile	0.18, 65th percentile	Compare St Vincent's Medical Center
15	Greenwich Hospital Association -Greenwich, CT · Acute care	1.13, 26th percentile	0.92, 67th percentile	0.37, 61st percentile	0.48, 41st percentile	—	0.00, 91st percentile	0.26, 52nd percentile	Compare Greenwich Hospital Association -
16	Danbury HospitalDanbury, CT · Acute care	1.22, 23rd percentile	0.90, 73rd percentile	0.23, 72nd percentile	0.28, 61st percentile	1.56, 26th percentile	0.24, 78th percentile	0.18, 65th percentile	Compare Danbury Hospital
17	Middlesex HospitalMiddletown, CT · Acute care	1.27, 21st percentile	0.82, 90th percentile	0.21, 73rd percentile	1.23, 8th percentile	—	0.00, 91st percentile	0.12, 72nd percentile	Compare Middlesex Hospital
18	Charlotte Hungerford HospitalTorrington, CT · Acute care	1.44, 16th percentile	0.83, 89th percentile	0.00, 90th percentile	0.00, 88th percentile	—	1.35, 10th percentile	0.26, 53rd percentile	Compare Charlotte Hungerford Hospital
19	John Dempsey Hospital Of The University Of ConnectFarmington, CT · Acute care	1.94, 6th percentile	1.01, 33rd percentile	0.56, 43rd percentile	0.52, 38th percentile	—	0.00, 91st percentile	0.50, 24th percentile	Compare John Dempsey Hospital Of The University Of Connect

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.

Surgical site infections (colon): Surgical site infections from colon surgery (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 (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).
C. diff infections: Clostridium difficile (C. diff) intestinal infections (standardized infection ratio; 1.0 = national baseline).