Evidence map›Paper›PMID 23307671›Full record

ArticleThe bone & joint journal2013

The effects of age on patient-reported outcome measures in total knee replacements.

D P Williams, A J Price, D J Beard, S G Hadfield, N K Arden, D W Murray, R E Field

Abstract readComparative StudyEvaluation Study
PubMed Publisher
In one paragraph

Article in The bone & joint journal, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 63 papers, 7 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
63citing papers in PubMed, 7 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

63 citing papers in PubMed, 7 syntheses or guidelines pooled it.

  1. Pooled it
  2. A review of trauma and orthopaedic randomised clinical trials published in high-impact general medical journals.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2022
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  20. Neuroimaging markers of patient-reported outcome measures in acute ischemic stroke.medRxiv : the preprint server for health sciences · 2023
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3 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors.

D P WilliamsUniversity of Oxford, Nuffield Department of Orthopaedics, Rheumatology & Musculoskeletal Sciences, Windmill Road, Oxford OX3 7LD, UK. derfel.williams@ndorms.ox.ac.uk
A J Price
D J Beard
S G Hadfield
N K Arden
D W Murray
R E Field

Funding

Department of Health RP-PG-0407-10064
6 · The paper itself

Abstract

We present a comparison of patient-reported outcomes (PROMs) in relation to patient age, in patients who had received a total (TKR) or unicompartmental knee replacement (UKR). The outcome was evaluated using the Oxford knee score (OKS), EuroQol (EQ-5D) and satisfaction scores. Patients aged 65 to 84 years demonstrated better pre-operative function scores than those aged < 65 years (OKS, p = 0.03; EQ-5D, p = 0.048) and those aged ≥ 85 years (OKS, p = 0.03). Post-operative scores were comparable across age groups, but a linear trend for greater post-operative improvement in OKS and EQ-5D was seen with decreasing age (p < 0.033). The overall mean satisfaction score at six months was 84.9, but those aged < 55 years exhibited a lower mean level of satisfaction (78.3) compared with all other age groups (all p < 0.031). The cumulative overall two-year revision rate was 1.3%. This study demonstrates that good early outcomes, as measured by the OKS and EQ-5D, can be anticipated following knee replacement regardless of the patient's age, although younger patients gain greater improvement. However, the lower satisfaction in those aged < 55 years is a concern, and suggests that outcome is not fully encapsulated by the OKS and EQ-5D evaluation, and raises the question whether the OKS alone is an appropriate measure of pain and function in younger, more active individuals.

Indexed as

Arthroplasty, Replacement, KneeHealth Status IndicatorsSurveys and QuestionnairesAdultAgedAged, 80 and overAge FactorsFemaleFollow-Up StudiesHumansLinear ModelsLogistic ModelsMaleMiddle AgedOsteoarthritis, KneePain Measurement

Identifiers

PMID23307671

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.