Unplanned hospital readmissions for patients within 28 days for selected surgical procedures (per 1,000 separations)

Rationale

Unplanned hospital readmissions may reflect less than optimal patient management and ineffective care pre-discharge, post-discharge and/or during the transition between acute and community-based care. These readmissions necessitate patients spending additional periods of time in hospital as well as utilising additional hospital resources.

Readmission reduction is a common focus of health systems worldwide as they seek to improve the quality and efficiency of healthcare delivery, in the face of rising healthcare costs and increasing prevalence of chronic disease.

Readmission rate is considered a global performance measure, as it potentially points to deficiencies in the functioning of the overall healthcare system. Along with providing appropriate interventions, good discharge planning can help decrease the likelihood of unplanned hospital readmissions by providing patients with the care instructions they need after a hospital stay and helping patients recognise symptoms that may require medical attention.

The 7 surgeries selected for this indicator are based on those in the current National Healthcare Agreement Unplanned Readmission performance indicator (NHA PI 23).

Target

The 2023 target for each procedure is indicated with the results. Improved or maintained performance is demonstrated by a result below or equal to target.

Procedure Target
(a) knee replacement  18.7
(b) hip replacement  ≤ 17.1
(c) tonsillectomy & adenoidectomy ≤ 77.3
(d) hysterectomy   ≤ 42.4
(e) prostatectomy   ≤ 34.5
(f) cataract surgery   ≤ 1.5
(g) appendicectomy ≤ 23.9

Results

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Year Target Actual
Years 2023 Target 18.7 Actual 14.3 Chart
Years 2022 Target Actual 10.4 Chart
Years 2021 Target Actual 15.4 Chart
Years 2020 Target Actual 26.1 Chart
Year Target Actual
Years 2023 Target 17.1 Actual 16.4 Chart
Years 2022 Target Actual 11.1 Chart
Years 2021 Target Actual 20.4 Chart
Years 2020 Target Actual 18.1 Chart
Year Target Actual
Years 2023 Target 77.3 Actual 58.8 Chart
Years 2022 Target Actual 84.7 Chart
Years 2021 Target Actual 138.7 Chart
Years 2020 Target Actual 106.4 Chart
Year Target Actual
Years 2023 Target 42.4 Actual 47.9 Chart
Years 2022 Target Actual 25.9 Chart
Years 2021 Target Actual 73.2 Chart
Years 2020 Target Actual 67.8 Chart
Year Target Actual
Years 2023 Target 34.5 Actual 69.4 Chart
Years 2022 Target Actual 54.5 Chart
Years 2021 Target Actual 49.3 Chart
Years 2020 Target Actual 59.1 Chart
Year Target Actual
Years 2023 Target 1.5 Actual 2.6 Chart
Years 2022 Target Actual 2.3 Chart
Years 2021 Target Actual 2.4 Chart
Years 2020 Target Actual 1.5 Chart
Year Target Actual
Years 2023 Target 23.9 Actual 22.3 Chart
Years 2022 Target Actual 25.8 Chart
Years 2021 Target Actual 30.1 Chart
Years 2020 Target Actual 21.4 Chart

Commentary

EMHS strives to provide safe, high-quality care to its patients at all times.

In 2023, improved performance in reducing unplanned hospital readmissions for selected surgical procedures was attributed to individual clinical case reviews. These reviews can identify variations in care and outcomes, fostering system-wide learning and service improvement.

Unplanned readmissions following hysterectomy, prostatectomy and cataract surgery exceeded target this reporting period. Although these results are based on a small number of cases which can lead to year on year variation, individual case reviews noted a high degree of patient complexity contributing to the need for readmission. The case reviews also identified quality improvement initiatives to streamline preoperative and postoperative care delivery, particularly for readmission following hysterectomy.

Whilst there was an increase in readmission rates in 2023 for prostatectomy surgery, readmission rates for this category remain low, at a rate of 6.94 per cent of all reportable prostatectomy cases (i.e. 69.4 per 1,000 or 6.94 per cent). Case reviews – for both prostatectomy and cataract surgery – have indicated the readmissions were related to known complications with no system issues identified. EMHS will continue to monitor performance of these indicators and learn from cases.

Period: 2020 to 2023 calendar years
Contributing sites: Armadale/Kelmscott District Memorial Hospital, Bentley Hospital, Kalamunda Hospital, Royal Perth Hospital, St John of God Midland Hospital (public patients) 
Data source: Hospital Morbidity Data Collection (HMDC); WA Data Linkage System

Outcome one   //   Effectiveness KPI