Measuring the Value of a Clinical Practice Guideline for Children With Perforated Appendicitis.

Robinson JR, Avritscher EBC, Gay JC, Willis ZI, Putnam LR, Anglemyer A, Pedroza C, Tyson JE, Blakely ML
Ann Surg. 2017 266 (1): 195-200

PMID: 27501175 · DOI:10.1097/SLA.0000000000001946

OBJECTIVE - To determine the incremental cost-effectiveness of a clinical practice guideline (CPG) compared with "usual care" for treatment of perforated appendicitis in children. Secondary objective was to compare cost analyses using hospital accounting system data versus data in the Pediatric Health Information System (PHIS).

BACKGROUND - Value-based surgical care (outcomes relative to costs) is frequently touted, but outcomes and costs are rarely measured together.

METHODS - During an 18-month period, 122 children with perforated appendicitis at a tertiary referral children's hospital were treated using an evidence-based CPG. Clinical outcomes and costs for the CPG cohort were compared with patients in the 30-month period before CPG implementation (n = 191 children).

RESULTS - With CPG-directed care, intra-abdominal abscess rate decreased from 0.24 to 0.10 (adjusted risk ratio 0.44, 95% confidence interval [CI] 0.26-0.75). The rate of any adverse event decreased from 0.30 to 0.23 (adjusted risk ratio 0.82, 95% CI 0.58-1.17). Mean total hospital costs per patient (hospital accounting system) decreased from $16,466 to $10,528 (adjusted absolute difference-$5451, 95% CI -$7755 to -$3147), leading to estimated adjusted total savings of $665,022 during the study period. Costs obtained from the PHIS database also showed reduction with CPG-directed care (-$6669, 95% CI -$8949 to -$4389 per patient). In Bayesian cost-effectiveness analyses, likelihood that CPG was the dominant strategy was 91%.

CONCLUSIONS - An evidence-based CPG increased the value of surgical care for children with perforated appendicitis by improving outcomes and lowering costs. Hospital cost accounting data and pre-existing cost data within the PHIS database provided similar results.

MeSH Terms (14)

Abdominal Abscess Anti-Bacterial Agents Appendectomy Appendicitis Child Cost-Benefit Analysis Cost Savings Female Hospital Costs Humans Intestinal Perforation Male Postoperative Complications Practice Guidelines as Topic

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