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GlossaryReliability Coefficient

measure of consistency in test results over time

The reliability coefficient is a measure used in statistics and psychology to assess the consistency or stability of a test or measurement over time. For example, if a hair growth study uses a specific method to measure hair density, the reliability coefficient would indicate how consistently that method produces the same results under the same conditions. A high reliability coefficient means the measurement is dependable and can be trusted to give similar results in repeated trials.

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research The Polish Version of Skindex-29: Psychometric Properties of an Instrument to Measure Quality of Life in Dermatology

9 citations, January 2014 in “Postepy Dermatologii I Alergologii”

The Polish Skindex-29 is a reliable and valid questionnaire for assessing the quality of life in Polish dermatology patients.

research Arabic Version of Skindex-16: Translation and Cultural Adaptation, with Assessment of Reliability and Validity

24 citations, March 2007 in “International Journal of Dermatology”

The Arabic Skindex-16 is a reliable and valid way to measure the impact of skin conditions on quality of life in Saudi patients.

Development of the First Health-Related Quality of Life Questionnaires in Arabic for Women with Polycystic Ovary Syndrome: Creation and Reliability Analysis of PCOSQoL-47 and PCOSQoL-42

research Development of the First Health-Related Quality of Life Questionnaires in Arabic for Women with Polycystic Ovary Syndrome: Creation and Reliability Analysis of PCOSQoL-47 and PCOSQoL-42

2 citations, April 2021 in “Cureus”

Two new reliable Arabic questionnaires for measuring quality of life in women with PCOS were created, one for married and one for unmarried women.

research Validation of an Egyptian Arabic Version of Skindex-16 and Quality of Life Measurement in Egyptian Patients with Skin Disease

17 citations, July 2017 in “International Journal of Behavioral Medicine”

The Egyptian Arabic Skindex-16 is a reliable way to measure how skin diseases affect quality of life in Egyptian patients.

research Liquid Nitrogen Cryotherapy vs. Betamethasone Lotion in the Management of Alopecia Areata

15 citations, February 2013 in “Journal of Clinical Medicine and Research”

Liquid nitrogen cryotherapy and betamethasone lotion are equally effective for treating alopecia areata.

research The Psychological Effects of Androgenetic Alopecia in Men

192 citations, June 1992 in “Journal of The American Academy of Dermatology”

Hair loss can cause low self-esteem, anxiety, and depression in men.

research Persistent Sexual Side Effects of Finasteride for Male Pattern Hair Loss

185 citations, March 2011 in “The Journal of Sexual Medicine”

Finasteride for hair loss can cause long-lasting sexual side effects like low libido and erectile dysfunction.

research Persistent Sexual Side Effects of Finasteride: Could They Be Permanent?

112 citations, July 2012 in “The Journal of Sexual Medicine”

Finasteride may cause long-lasting sexual side effects.

research Persistent Sexual and Nonsexual Adverse Effects of Finasteride in Younger Men

24 citations, December 2013 in “Sexual medicine reviews”

Finasteride can cause sexual problems and depression in young men.

research Body Image, Personality Profiles, and Alexithymia in Patients with Polycystic Ovary Syndrome

21 citations, November 2018 in “Journal of Psychosomatic Obstetrics & Gynecology”

Women with PCOS have more emotional and body image issues than healthy women.

research Androgenetic Alopecia: The Role of Inflammation and Demodex

13 citations, July 2001 in “International Journal of Dermatology”

Inflammation and Demodex mites might contribute to hair loss, and targeting them could help treat it.

research An Exploratory Study of Television Advertising Practices: Do Profitability and Organization Size Affect Clearance Formality?

7 citations, September 1991 in “Journal of Advertising”

More profitable TV stations have stricter ad approval rules, and bigger stations are generally stricter too.

Acanthosis Nigricans in the Knuckles: An Early, Accessible, Straightforward, and Sensitive Clinical Tool to Predict Insulin Resistance

research Acanthosis Nigricans in the Knuckles: An Early, Accessible, Straightforward, and Sensitive Clinical Tool to Predict Insulin Resistance

6 citations, January 2018 in “Dermato-endocrinology”

Darkened knuckles can be an early sign of insulin resistance.

research Efficacy and Safety of Dupilumab in Adolescent Patients with Moderate-to-Severe Atopic Dermatitis

1 citations, April 2019 in “Journal of Investigative Dermatology”

Dupilumab is effective and safe for treating moderate-to-severe atopic dermatitis in adolescents.

research A Clinical Study to Test the Efficacy of VB1953 in Clindamycin Non-Responder Acne Patients with Antibiotic-Resistant P. Acnes

1 citations, April 2019 in “Journal of Investigative Dermatology”

VB1953 gel significantly reduced acne and resistant bacteria in patients who didn't respond to clindamycin.

research Stress-Related Hair Loss Among the General Population in Al Majma'ah, Saudi Arabia: A Cross-Sectional Study

October 2023 in “Curēus”

Stress significantly contributes to hair loss, especially in women and those aged 31-40.

research The Role of Diet in Patients with Autoimmune Blistering Disease: A Survey of the International Pemphigus and Pemphigoid Foundation

April 2019 in “Journal of Investigative Dermatology”

Many patients with autoimmune blistering skin disorders change their diets, avoiding foods like alcohol, citrus, and spices, and some find vegetables and dairy helpful.

Topical Sandalore, a Specific OR2AT4-Stimulating Odorant, Ameliorates Female Telogen Effluvium: Randomized, Double-Blinded, Placebo-Controlled Clinical Trial

research Topical Sandalore, a Specific OR2AT4-Stimulating Odorant, Ameliorates Female Telogen Effluvium: Randomized, Double-Blinded, Placebo-Controlled Clinical Trial

April 2019 in “Journal of Investigative Dermatology”

Sandalore®, a synthetic scent, improved hair loss and satisfaction in women with telogen effluvium.

research Book Reviews

December 1999 in “Eating Disorders”

Both books are useful for professionals, but "Exacting Beauty" is more comprehensive and practical.

research Quality of Life and Willingness-to-Pay in Patients with Androgenetic Alopecia

4 citations, January 2019 in “Egyptian Journal of Dermatology and Venereology”

Androgenetic alopecia significantly affects quality of life, especially for women, who are more willing to pay for treatment.

Adherence Patterns to Medications and Their Association with Subsequent Hospitalization in Adult Egyptian Patients with Systemic Lupus Erythematosus

research Adherence Patterns to Medications and Their Association with Subsequent Hospitalization in Adult Egyptian Patients with Systemic Lupus Erythematosus

August 2023 in “Lupus”

Non-adherence to medication in Egyptian SLE patients leads to more hospitalizations and symptoms.

The Suitability of Polycystic Ovary Syndrome-Specific Questionnaires for Measuring the Impact of PCOS on Quality of Life in Clinical Trials

research The Suitability of Polycystic Ovary Syndrome-Specific Questionnaires for Measuring the Impact of PCOS on Quality of Life in Clinical Trials

24 citations, March 2010 in “Value in Health”

The PCOS-specific questionnaire needs more work to fully measure quality of life in clinical trials.