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Arch Phys Med Rehabil. 1996 Jun;77(6):586-93.

Understanding prognosis to improve rehabilitation: the example of lateral elbow pain.

Author information

1
Institute for Work and Health, Toronto, Ontario, Canada.

Abstract

OBJECTIVE:

A systematic overview of evidence aimed at determining the clinical course of lateral elbow pain and prognostic factors that affect elbow pain duration and outcomes.

DATA SOURCES:

Online bibliographic database searches from 1983 to 1994; information requests from selected authors and bibliography screenings.

STUDY SELECTION:

One author reviewed 424 articles; 40 met the following eligibility criteria: any study with primary data on soft tissue injuries specific to the elbow which referred to prognosis or reported use of any outcome measure.

DATA ABSTRACTION:

Strength of evidence grade based on clinical epidemiological validity assessment. Criteria included in the validity assessment included case definition, patient selection, follow-up, outcome, prognostic factors, and analysis. All eligible studies were independently assessed by two investigators.

DATA SYNTHESIS:

Four studies (10%) were judged to provide moderate strength of evidence; no studies were graded as providing strong evidence on prognosis. All four moderate-quality studies were clinical trials of short duration. One study indicated that site of lesion and prior occurrence may be predictive of poorer outcome in patients with lateral epicondylitis.

CONCLUSION:

The majority of studies on lateral elbow pain were limited by methodological weaknesses in selection and definition of the study population, length of follow-up, and analysis of prognostic factors. Estimates of duration were only available from weaker studies with longer follow-up times; significant subject heterogeneity in the weaker studies prevented a determination of usual clinical course. More methodologically rigorous research on prognosis could assist clinicians in patient care and evaluation of interventions.

PMID:
8831477
DOI:
10.1016/s0003-9993(96)90300-7
[Indexed for MEDLINE]

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