Elective Surgery Median Wait — Methodology and Sources
What this measures
The 50th percentile (median) waiting time in days for elective surgery patients admitted from Victorian public-hospital waiting lists. Lower is better.
(The chart was originally framed as "Category 2 (semi-urgent)" specifically, but AIHW notes that urgency-category assignment varies across hospitals and over time. The all-category median is the cleanest cross-state series — see below.)
Why median, all categories?
AIHW explicitly cautions:
"There is an apparent lack of comparability of the assignment of clinical urgency categories among jurisdictions, which may result in statistics that are not meaningful or comparable between jurisdictions."
Additionally, the AIHW 2023-24 Appendix notes: "Between 2018-19 and 2023-24, the coverage of the data collection changed for Victoria." Restricting to Category 2 specifically would compound both issues. The all-categories median pools the data and is the metric ROGS itself publishes prominently.
How values are derived
From the Productivity Commission's annual Report on Government Services — Table 12A.23 in the 2026 release, Table 12A.19 in the 2020 release. Both report the 50th percentile of waiting time in days for elective surgery, all public hospitals, all clinical urgency categories combined (source: AIHW Elective Surgery Waiting Times Data Collection).
| FY | Vic median wait (days) | ROGS release |
|---|---|---|
| 2014-15 | 29 | 2020 |
| 2015-16 | 30 | 2020 (matches 2026) |
| 2016-17 | 30 | 2020 (matches 2026) |
| 2017-18 | 30 | 2020 (matches 2026) |
| 2018-19 | 28 | 2020 (matches 2026) |
| 2019-20 | 27 | 2026 |
| 2020-21 | 28 | 2026 |
| 2021-22 | 25 | 2026 |
| 2022-23 | 36 | 2026 |
| 2023-24 | 33 | 2026 |
| 2024-25 | 28 | 2026 |
Reading the line
The trend isn't a simple decline. The pattern is shaped by COVID:
- Pre-COVID baseline: ~28-30 days, stable.
- 2021-22 dip to 25 days: COVID restrictions paused non-urgent elective surgery. Patients were removed from waiting lists rather than slowly cleared. The median fell because the remaining (faster-clearing) patients were a different mix.
- 2022-23 spike to 36 days: as the system caught up with the backlog, longer-waiting patients were admitted, pushing the median up.
- 2024-25 recovery to 28 days: median has returned to its long-run level.
Interpretive note: the median can mask a worsening tail — Cat 3 patients who waited 365+ days were a much bigger group during the COVID period than they were before, even though the median came back to pre-COVID levels.
Caveats
- Median across all clinical urgency categories — Cat 1 (max 30 days) pulls the median down; Cat 3 (max 365 days) pushes it up.
- AIHW: Vic elective surgery data coverage changed between 2018-19 and 2023-24.
- A 'wait' is measured from list-entry to admission; patients still on the list are not in this calculation.