Evidence-Based Practice and Research Levels in PT

Evidence-Based Practice

Integrating research evidence with clinical expertise and patient values.

Clinical Decision Making

Informed by robust evidence to optimize patient outcomes.

Meta-Analysis

Gold standard of clinical information, highest evidence level.

Systematic Reviews

Comprehensive reviews of multiple studies on a topic.

Randomized Controlled Trials (RCT)

Participants randomly allocated to minimize bias in studies.

Cohort Studies

Observational studies comparing groups with shared characteristics.

Cross Sectional Studies

Studies observing a population at a single point in time.

Case Series

Descriptive studies detailing a group of patients.

Case Reports

Detailed reports of individual patient cases.

Levels of Evidence

Hierarchy of evidence quality in clinical research.

Clinical Relevance

Importance of evidence in relation to clinical expertise.

Critical Appraisal

Evaluating the quality and relevance of research evidence.

Patient Preferences

Individual patient values influencing treatment decisions.

Treatment Tailoring

Customizing interventions to meet individual patient needs.

Evidence Review Steps

Identify problem, review evidence, appraise, apply, evaluate.

Sensitivity Test

Ability to correctly identify those with the condition.

Specificity Test

Ability to correctly identify those without the condition.

Types of Errors

Mistakes that can occur in research and clinical practice.

Levels of Measurement

Different ways to quantify variables in research.

Collaborative Decision-Making

Joint process between therapist and patient for treatment.

Robust Evidence Base

Strong and reliable evidence supporting clinical decisions.

Patient Outcomes

Results of healthcare interventions on patient health.

Cohort Studies

Study design observing groups over time.

Prospective Cohort Study

Follows participants forward in time.

Retrospective Cohort Study

Analyzes past data of participants.

Randomized Controlled Trials

Participants randomly assigned to groups.

Clinical Case Series

Describes clinical outcomes of multiple patients.

Case Control Studies

Compares individuals with and without conditions.

Cross Sectional Studies

Data collected at one point in time.

Longitudinal Studies

Repeated observations over extended time periods.

Snapshot Study

Captures characteristics at a specific moment.

Balance Assessment

Evaluates stability during physical activities.

Falls Risk

Potential likelihood of falling in individuals.

Chronic Low Back Pain

Persistent pain affecting lower back region.

Alzheimer Disease

Progressive neurological disorder affecting memory.

Health Behaviors

Actions impacting individual health outcomes.

Prevalence Estimation

Determining how common a condition is.

Behavioral Trends

Patterns of actions observed over time.

Clinical Case Report

Detailed report of a single patient's case.

Patient Characteristics

Attributes defining an individual's health status.

Mobility Functions

Capabilities related to movement and physical activity.

Self-Efficacy

Belief in one's ability to succeed.

Perturbation Response

Reaction to unexpected physical disturbances.

Inclined Platform Study

Research using sloped surfaces for balance testing.

Postural Perturbations

Targeted training to improve compensatory stepping.

COPD

Chronic Obstructive Pulmonary Disease affecting lung function.

Qualitative Research

Analyzes non-numerical data for concepts and experiences.

Quantitative Research

Analyzes numerical data for statistical outcomes.

Nominal Data

Categorical data without quantitative value, e.g., gender.

Ordinal Data

Ranked data with meaningful order but no quantifiable difference.

Interval Data

Data with meaningful differences but no true zero.

Ratio Data

Data with meaningful differences and a true zero point.

Modified Ashworth Scale

Measures spasticity in individuals with stroke.

Test-Retest Reliability

Consistency of test results over repeated trials.

Intra-Rater Reliability

Same rater performs multiple tests on the same subject.

Inter-Rater Reliability

Different raters perform tests on the same subject.

Dynamic Gait Index (DGI)

Assesses gait and balance in individuals.

Oswestry Disability Index (ODI)

Measures low back pain disability.

Timed Up and Go Test (TUG)

Assesses mobility and balance.

Medical Outcomes Study SF-36

Measures patients' quality of life across multiple domains.

Statistical Analysis

Mathematical methods to interpret quantitative data.

Non-Parametric Data

Data not assuming a normal distribution, e.g., nominal.

Parametric Data

Data assuming a normal distribution, e.g., interval.

Endurance Testing

Evaluates physical stamina in patients.

Longitudinal Study

Research observing subjects over an extended time.

Randomized Controlled Trials

Experiment comparing outcomes between treatment and control groups.

Test-retest reliability

Consistency of results over repeated tests.

Intra-rater reliability

Consistency of measurements by the same rater.

Inter-rater reliability

Consistency of measurements between different raters.

Content validity

Extent to which a test measures specific patient problems.

Concurrent validity

Comparison with a gold standard test for accuracy.

Construct validity

Test measures what it is intended to measure.

Face validity

Test appears to measure what it claims.

Type I Error

False positive; rejecting a true null hypothesis.

Type II Error

False negative; failing to reject a false null hypothesis.

Sensitivity

Ability to identify true disease without missing cases.

Specificity

Ability to correctly identify absence of disease.

SnOut

Sensitive tests help rule conditions out.

SpIn

Specific tests help rule conditions in.

Goniometer

Instrument measuring range of motion (ROM).

Timed Up and Go test

Assess functional balance and fall-risk.

Kleiger's test

Evaluates ankle injuries, particularly sprains.

Gold standard test

Best available method for measuring a condition.

False positive

Incorrectly identifying a condition that is absent.

False negative

Incorrectly failing to identify a condition that is present.

Rotator cuff tear

Injury affecting shoulder stability and movement.

Patient problem

Specific health issue being assessed or treated.

Diagnostic test

Assessment tool used to identify medical conditions.