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Browse the failure-mode index

11,421 real negative results, null findings, and replication failures in Medicine · Negative / Null Result Report. Search the index →

WASTE indexes published research — it does not host or republish full papers. Each entry is a metadata record compiled from open scholarly databases; the abstract is shown in full only where the paper is openly licensed, otherwise a short excerpt under fair use. Classifications are automated and approximate.

Negative / Null Result ReportMedicine

The EQ-5D-3L Questionnaire Demonstrates Moderate Ceiling Effects at One and Two Years After Total Hip Arthroplasty: Preoperative Predictors and Clinical Implications.

Lee YJ, Clement ND, Asopa V et al. · 2026 · The Journal of arthroplasty

Background The objectives were to evaluate whether the EQ-5D-3L questionnaire demonstrated a ceiling effect after total hip arthroplasty (THA), identify which patients were more likely to reach the ceiling score, and determine whether this…

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Negative / Null Result ReportMedicine

Behavioral Evidence for a Chemical Disturbance Cue in Bat Rays (Myliobatis californica).

Bowman J, Cornelius JM, Schoen A et al. · 2026 · Journal of experimental zoology. Part A, Ecological and integrative physiology

The release of waterborne chemical cues is a well-documented anti-predator strategy in teleost fish, allowing individuals to detect, and respond to, predation threats. However, little is known about whether an ancient group of fishes,…

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Negative / Null Result ReportMedicine

Rate of functional recovery after hip arthroscopy for femoroacetabular impingement syndrome: patient-reported outcomes at three, six, and twelve months.

Seijas R, Vázquez M, Barastegui D et al. · 2026 · International orthopaedics

Purpose To characterise recovery trajectories across nine patient-reported outcomes (PROs) during the first twelve months after hip arthroscopy for femoroacetabular impingement syndrome (FAIS), and to determine whether six-month assessment…

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Negative / Null Result ReportMedicine

Impact of DXA acquisition mode on bone mineral density and longitudinal monitoring: Evidence from the Manitoba BMD registry.

Aftabi S, Leslie WD · 2026 · Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry

Dual-energy X-ray absorptiometry (DXA) is the gold standard for assessing bone mineral density (BMD), but technical factors such as acquisition mode may affect measurement. On GE Healthcare DXA systems, Thin and Thick modes are often…

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Negative / Null Result ReportMedicine

Effect of a Participatory Learning Capacity-Building Program on Knowledge, Perception, and Breastfeeding Skills Among Female Village Health Volunteers in Thailand.

Boonperm P, Buaboon N, Vatanavilai C et al. · 2026 · Journal of human lactation : official journal of International Lactation Consultant Association

Background Breastfeeding is a key strategy for improving maternal and infant health; however, Thailand continues to fall short of national and international breastfeeding targets. Village Health Volunteers (VHVs) play an essential role in…

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Negative / Null Result ReportMedicine

Changes in device-measured daily physical activity over one year in memory clinic patients.

Gundrosen KF, Taraldsen K, Sverdrup K et al. · 2026 · European review of aging and physical activity : official journal of the European Group for Research into Elderly and Physical Activity

Background This longitudinal study explored the one-year change in device-measured daily physical activity in patients attending a memory clinic. Methods Physical activity was recorded in 27 memory clinic patients over four days using…

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