Sensitivity analysis: Unadjusted and adjusted annualized growth rate of quality and cost with redefined quality and cost metrics.

(A) Unadjusted and adjusted annualized growth rate of surgical quality in sensitivity analysis (quality redefined as rate of surviving 30+ days after discharge without unplanned readmission). (B) Unadjusted and adjusted annualized growth rate of surgical cost (cost redefined as cost per day in hospital). (C) Unadjusted and adjusted annualized change rate of days in hospitals. (PDF)</p

Regression results for cost and quality of CCS 78 colorectal resection on a year indicator.

(A) Regression results for cost of CCS 78 colorectal resection on a year indicator. (B) Regression results for quality of CCS 78 colorectal resection on a year indicator. (DOCX)</p

Trends of unadjusted and adjusted cost for each surgical category, 2002–2015.

(PDF)</p

Regression results for cost and quality of CCS 75 small bowel resection on a year indicator.

(A) Regression results for cost of CCS 75 small bowel resection on a year indicator. (B) Regression results for quality of CCS 75 small bowel resection on a year indicator. (DOCX)</p

Regression results for cost and quality of CCS 43 heart valve procedures on a year indicator.

(A) Regression results for cost of CCS 43 heart valve procedures on a year indicator. (B) Regression results for quality of CCS 43 heart valve procedures on a year indicator. (DOCX)</p

Top shares of new ICD-9-CM procedures in 2015, compared with 2002.

(DOCX)</p

Sensitivity analysis: Excluding newborn admissions.

(PDF)</p

Sensitivity analysis: Adjusted annualized growth rate of quality and cost before and after adjusting for extra risk factors for patients with a heart attack during hospitalizations.

(PDF)</p

Regression results for cost and quality of CCS 90 excision, lysis peritoneal adhesions on a year indicator.

(A) Regression results for cost of CCS 90 excision, lysis peritoneal adhesions on a year indicator. (B) Regression results for quality of CCS 90 excision, lysis peritoneal adhesions on a year indicator. (DOCX)</p

The 11 surgery categories and corresponding sample sizes, 2002–2015.

The 11 surgery categories and corresponding sample sizes, 2002–2015.</p