ArticleArthroplasty today2024
Trends in Total Hip Arthroplasty Length of Stay and Coding Status From 2018 to 2021: Two-Year Impact of the Removal From the Inpatient-Only List.
Article in Arthroplasty today, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
- Preoperative two-step test predicts independent ambulation one week after total hip arthroplasty.International orthopaedics · 2026Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
Background: Total hip arthroplasty (THA) was removed from the Centers for Medicare and Medicaid Services inpatient-only (IPO) list on January 1, 2020. The impact of this policy changes on length of stay (LOS) and coding status (inpatient/outpatient) beyond 2020 remains to be fully defined. Methods: Data were obtained from the 2018 to 2021 National Surgical Quality Improvement Program database. Elective primary THA patients aged 18 y or older were identified by Current Procedural Terminology code. Year of surgery, age (dichotomized at Results: Overall, 156,212 THA patients were identified. Over the 4 y of study, outpatient cases increased by 1392% from 3.7%-5.75% to 35.6%-54.2% ( Conclusions: These data demonstrate a continued increase in outpatient THA since the IPO list removal, with over half of cases classified as outpatient in 2021 and a corresponding reduction in LOS. Notably, the outpatient status is an administrative designation that was not defined by same-day discharge or lack of overnight stay. The observed changes in both age groups (≥65 and <65 y) underscore the extensive impact of the IPO list removal on surgical practices.
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Registered trials
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