Wexner Score

Abstract

The Wexner Score, formally recognized as the Cleveland Clinic Incontinence Score (CCIS), is a concise, five-item clinical instrument designed to quantify the severity of fecal incontinence (FI). This scoring system assesses critical aspects of the condition, including the specific type and frequency of involuntary bowel movements, and crucially, the resulting impact on the patient’s lifestyle and social participation. Given that FI significantly impairs a patient’s quality of life, the score provides a numerical index where higher values correlate directly with greater severity of incontinence and more profound negative effects on daily living.

Keywords

Wexner score, Cleveland Clinic Incontinence Score, CCIS, Fecal Incontinence, Anorectal Function, Severity Index, Gastroenterology, Questionnaire.

Authors

Jorge JM, Wexner SD

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Purpose

The primary purpose of the Wexner Score is to provide a standardized, objective measure for assessing the severity and impact of fecal incontinence in clinical and research settings. Before its introduction, standardized assessment was often subjective, making comparisons across studies and monitoring treatment efficacy challenging. The scale allows clinicians to accurately grade the patient’s condition, ranging from mild soiling to complete incontinence, thereby standardizing communication regarding patient status.

Furthermore, the instrument serves as a valuable tool for monitoring changes over time, particularly following surgical or medical interventions. By quantifying the frequency and type of incontinence episodes (e.g., solid stool, liquid stool, gas) and combining this with the perceived disruption to the patient’s social life, the Wexner Score facilitates personalized treatment planning and rigorous evaluation of outcomes.

Construct

The Wexner Score operationalizes the construct of Fecal Incontinence Severity, focusing on two main dimensions: the physiological manifestations and the resulting psychosocial burden. The physiological dimension is captured by items relating to the control over various forms of stool (liquid, solid, gas) and the frequency of these episodes. The psychosocial dimension is captured by assessing the influence of the condition on the patient’s ability to participate in normal daily activities and maintain a satisfactory social life, reflecting the scale’s focus on Activities and General Participation.

This construct is inherently multi-dimensional, recognizing that severity is not based solely on clinical findings but also on the functional and participative limitations experienced by the individual. The overall score (ranging from 0 to 20, where 0 indicates perfect continence) provides a composite metric reflecting the comprehensive impact of anorectal dysfunction on the patient’s well-being.

Validity

The Wexner Score has demonstrated substantial validity across numerous clinical populations since its introduction. Content validity is strong, as the five items directly address the core symptoms and lifestyle impacts universally recognized in the clinical definition of fecal incontinence, reflecting expert consensus on critical severity factors.

The instrument also exhibits robust criterion validity and construct validity. Studies have consistently shown a strong correlation between higher Wexner Scores and objective measures of anorectal function, such as manometry results. It also demonstrates discriminant validity by effectively distinguishing between patients with varying degrees of FI severity and healthy controls, confirming that the scale accurately measures the intended construct of severity.

Reliability

The reliability of the Wexner Score is generally considered high, making it a dependable tool for repeated assessments. Studies focusing on inter-rater reliability have shown excellent agreement among different clinicians utilizing the scale, primarily due to the clear, standardized scoring system based on the frequency of specific incontinence events per time period (usually per month or per week).

Test-retest reliability is also strong, indicating that the scores remain stable over short periods when the patient’s clinical condition has not changed. This stability is crucial for using the CCIS in longitudinal studies and for monitoring the true effect of treatment interventions, ensuring that changes observed are clinical rather than attributable to measurement error. Its practical simplicity aids in achieving consistent application across diverse clinical settings.

Factor Analysis

As a very short, five-item scale, the Wexner Score is primarily used as a unidimensional measure of overall severity in clinical practice. Factor analytic studies typically support a strong single-factor model representing Fecal Incontinence Severity, especially given the high correlation between the frequency of incontinence episodes and the resulting lifestyle impairment.

However, more detailed psychometrics research occasionally suggests a potential two-factor structure: one factor focused on the frequency and type of leakage (the objective physical symptoms) and a second factor focused on the subjective impact on quality of life and social function. Despite these structural explorations, the total summed score remains the primary and most validated output for clinical decision-making.

Instrument

Test Type: Clinical Severity Index / Symptom Questionnaire

Format: Five-item self-report or clinician-administered scale. Items are typically rated on a 5-point Likert scale (0 to 4), resulting in a total score range of 0 to 20.

Language Available: Original English (Jorge JM, Wexner SD, 1993). Also available in Dutch (as referenced in the source) and numerous other translated, validated versions globally, reflecting its widespread clinical adoption.

Population Group: Clinical populations presenting with symptoms of fecal incontinence and anorectal dysfunction.

Age Group: Adults, Elderly (Volwassenen, Ouderen).

Population Details: Applicable to patients suffering from various gastrointestinal or anorectal disorders, including those post-surgical intervention, those with neurological conditions affecting bowel control, or individuals undergoing physical rehabilitation focusing on pelvic floor function.

Test Methodology: Patients or clinicians rate the frequency of incontinence episodes (for gas, liquid stool, and solid stool) typically over a four-week period. They also assess the necessity of wearing protective pads and the degree of lifestyle alteration due to the condition. Scores are summed to determine overall severity, where higher scores indicate greater impairment.

Keywords

Anorectal function, Severity scale, Cleveland Clinic, Digestion, Activities of Daily Living, Participation, Pelvic Floor, Psychometrics, Clinical Assessment.

Authors

Author ORCID Identifier: Information not provided in source.

Affiliation Email addresses: Information not provided in source.

Correspondence Address: Information not provided in source.

Permissions & Fee and Test Year

The Wexner Score was originally published in 1993 by Jorge and Wexner. As a widely recognized clinical measurement tool (often referred to interchangeably with the CCIS), it is generally considered to be in the public domain for clinical and non-commercial research use, given its integration into standard medical practice. Formal permissions should be sought if the scale is intended for large-scale commercial adaptation or dissemination.

The original publication of the scale was in: Jorge JM, Wexner SD. Etiology and management of fecal incontinence. Dis Colon Rectum. 1993 Jan;36(1):77-91.

Reference’s

• Jorge JM, Wexner SD. Etiology and management of fecal incontinence. Dis Colon Rectum. 1993 Jan;36(1):77-91.
• The Dutch translation of the explanatory form (Toelichtingsformulier) can be downloaded here: https://scales.arabpsychology.com/wp-content/uploads/instrumenten/454_1_N.pdf (PDF)
• The Dutch version of the measurement instrument (Meetinstrument) can be downloaded here: https://scales.arabpsychology.com/wp-content/uploads/instrumenten/454_3_N.pdf (PDF)

Items of the Wexner score

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

The specific items of the Wexner Score (Cleveland Clinic Incontinence Score) were not provided in the source content. However, the scale consists of five items that assess the following aspects, typically scored on a frequency basis (e.g., Never, Rarely, Sometimes, Usually, Always):

• Incontinence to gas.
• Incontinence to liquid stool.
• Incontinence to solid stool.
• The necessity of wearing protective pads (use of protective devices).
• The alteration of lifestyle due to the incontinence (social disruption).