University of Michigan

This Participant Surgery Group is associated with the following hospital(s):

University of Michigan — Ann Arbor, MI

NOTE: Results are based on a participant’s unique group of patients (known as case mix) and the number of surgical procedures in each category. Results below are specific to the participant listed and are not intended for direct comparison to other participants.

This General Thoracic Surgery Database (GTSD) participant’s score is shown as both a number and a vertical black line in each graph below. Following the participant’s score, the numbers in parentheses – (##, ##) – represent the range (known as a credible interval) within which the participant’s score was likely to fall. Determined using a statistical formula, each participant has a different range. Ranges are based on the participant’s unique mix of patients and number of surgical procedures in each category. The graphs also show the STS average score (the vertical red line) and the lowest-to-highest range across all North American GTSD participants. Hover over each graph for specific descriptions.

Using a statistical formula, participants receive star ratings based on their scores and how they compare to the STS average. The majority of GTSD participants perform As Expected.

In comparison, far fewer GTSD participants perform Worse Than Expected or Better Than Expected. In general, an As Expected or Better Than Expected rating is consistent with good or excellent performance.

Worse Than Expected

Participant’s score and range are lower than the STS average score.

As Expected

The STS average score falls within the participant’s range.

Better Than Expected

Participant’s score and range are higher than the STS average score.

Performance for Resection for Primary Lung Cancer Compared to STS and National Outcomes*

* These NIS data are the most recent data available at this time. There are more resection for primary lung cancer patients in a single year of NIS data than in the GTSD, so a decision was made to use 3 years of STS GTSD data.

Resection for Primary Lung Cancer Composite Measure Rating (July 2022 - June 2025)

Overall Composite Score	98.8% (98.4 - 99.2)	98.8% (98.4, 99.2) Participant Score Participant Credible Interval STS Range STS Average Score	As Expected
Absence of Operative Mortality	99.3% (98.8 - 99.6)	99.3% (98.8, 99.6) Participant Score Participant Credible Interval STS Range STS Average Score	As Expected
Absence of Major Morbidity	94.7% (92.6 - 96.4)	94.7% (92.6, 96.4) Participant Score Participant Credible Interval STS Range STS Average Score	As Expected

Number of Resection cases: 456

Esophagectomy Composite Measure Rating (July 2022 - June 2025)

Overall Composite Score	94.2% (92.5 - 95.6)	94.2% (92.5, 95.6) Participant Score Participant Credible Interval STS Range STS Average Score	As Expected
Absence of Operative Mortality	98.2% (96.3 - 99.4)	98.2% (96.3, 99.4) Participant Score Participant Credible Interval STS Range STS Average Score	As Expected
Absence of Major Morbidity	75.4% (68.6 - 81.5)	75.4% (68.6, 81.5) Participant Score Participant Credible Interval STS Range STS Average Score	As Expected

Number of Esophagectomy cases: 168

Discharge Mortality Percent

0.0%

Discharge Mortality Lower 95 CI

0.0%

Discharge Mortality Upper 95 CI

0.8%

STS Discharge Mortality Percent

0.4%

NIS Discharge Mortality Percent

0.8%

98.8%

Overall Composite Score

2

99.3%

Absence of Mortality Score

2

94.7%

Absence of Morbidity Score

2

NIS PLOS Median

3.00

PLOS Lower Quartile

2.00

PLOS Median

3.00

PLOS Upper Quartile

4.00

STS PLOS Median

3.00

94.2%

Esophogectomy Overall Composite Score

2

Esophogectomy Absence of Morbidity Score

2

75.4%

Esophogectomy Absence of Mortality Score

2

98.2%

Esophogectomy Overall Composite Lower 95 CI

92.50

Esophogectomy Overall Composite Upper 95 CI

95.60

Esophogectomy Absence of Mortality Lower 95 CI

96.30

Esophogectomy Absence of Mortality Upper 95 CI

99.40

Esophogectomy Absence of Morbidity Lower 95 ci

68.60

Esophogectomy Absence of Morbidity Upper 95 ci

81.50

Absence of Morbidity Upper 95 CI

96.40

Absence of Morbidity Lower 95 CI

92.60

Absence of Mortality Upper 95 CI

99.60

Absence of Mortality Lower 95 CI

98.80

STS Esophagectomy Overall Composite Score

93.40

Overall Composite Upper 95 CI

99.20

Overall Composite Lower 95 CI

98.40

STS Absence of Morbidity Score

94.80

STS Absence of Morbidity Upper 95 CI

98.70

STS Absence of Mortality Lower 95 CI

98.90

STS Absence of Morbidity Lower 95 CI

88.60

STS Absence of Mortality Score

99.30

STS Absence of Mortality Upper 95 CI

99.50

STS Overall Composite Score

98.90

STS Overall Composite Upper 95 CI

99.70

STS Overall Composite Lower 95 CI

97.40

STS Esophagectomy Overall Composite Lower 95 CI

86.70

STS Esophagectomy Overall Composite Upper 95 CI

97.80

STS Esophogectomy Absence of Morbidity Upper 95 CI

90.30

STS Esophogectomy Absence of Morbidity Lower 95 CI

58.90

STS Esophogectomy Absence of Morbidity Score

74.70

STS Esophogectomy Absence of Mortality Upper 95 CI

98.40

STS Esophogectomy Absence of Mortality Lower 95 CI

92.90

STS Esophogectomy Absence of Mortality Score

96.70

Resection No Results

Off

Esophegectomy No Results

Off

Resection Case Count

456

Esophagectomy Case Count

168

Resection for Primary Lung Cancer Overall Composite Score represents two domain scores in a single number:

Absence of Operative Mortality: Proportion of primary lung cancer resection (i.e., wedge resection, segmentectomy, lobectomy, sleeve lobectomy, bilobectomy, pneumonectomy) patients [risk-adjusted] who do not experience operative mortality. Operative mortality is defined as hospital death, death within 30 days of surgery, or discharge to hospice.
Absence of Major Morbidity: Proportion of primary lung cancer resection (i.e., wedge resection, segmentectomy, lobectomy, sleeve lobectomy, bilobectomy, pneumonectomy) patients [risk-adjusted] who do not experience any major morbidity. Major morbidity is defined as the presence of any of the following postoperative conditions: tracheostomy, respiratory failure/reintubation, initial ventilatory support>48 hours, ARDS, bronchopleural fistula, pulmonary embolus, pneumonia, unexpected return to OR, myocardial infarct.

Esophagectomy for Esophageal Cancer Composite Score represents two domain scores in a single number:

Absence of Operative Mortality: Proportion of patients [risk-adjusted] who did not experience operative mortality. Operative mortality is defined as death during the same hospitalization as surgery, death within 30 days of surgery, or discharge to hospice.
Absence of Major Morbidity: Proportion of patients [risk-adjusted] who did not experience any major complication. These are: 1) unexpected return to the operating room; 2) anastomotic leak requiring medical treatment only (Type 1 and Type 2); 3) respiratory failure/reintubation; 4) initial ventilator support >48 hours; 5) pneumonia; 6) new renal failure per RIFLE criteria; 7) recurrent laryngeal nerve paresis.