Comparison in Sensitivity and Specificity of 3 Sleep Questionnaires to Screen Obstructive Sleep Apnea in Patients with Morbid Obesity

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

TCTR

Registry ID

TCTR20210331004

Enrollment

205

Registered

2021-03-31

Start date

2021-04-05

Completion date

Unknown

Last updated

2026-08-03

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obstructive sleep apnea Morbid obesity Obstructive sleep apnea Morbid obesity Epworth sleepiness scale STOP-Bang questionnaire Berlin questionnaire

Interventions

Patients aged at least 18 years with OSA diagnosed by polysomnography, and body mass index at least 40 kg/m2 or at least 35 kg/m2 with at least 1 comorbity

diabetes, hypertension, hyperlipidemia, or heart disease.

Screening

Obstructive sleep apnea (OSA) patients with morbid obesity

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Patients with obstructive sleep apnea (OSA) aged 18 years and older and body mass index at least 40 kg/m2 or at least 35 kg/m2 with at least 1 comorbity; diabetes, hypertension, hyperlipidemia, or heart disease.

Exclusion criteria

Exclusion criteria: 1. Inability to communication, 2. Previous treatment with continuous positive airway pressure (CPAP), 3. Pregnancy or lactation

Design outcomes

Primary

Measure	Time frame
Sensitivity of Epworth sleepiness scale At the beginning of study Percent,Sensitivity of STOP-Bang questionnaire At the beginning of study Percent,Sensitivity of Berlin questionnaire At the beginning of study Percent,Specificity of Epworth sleepiness scale At the beginning of study Percent,Specificity of STOP-Bang questionnaire At the beginning of study Percent,Specificity of Berlin questionnaire At the beginning of study Percent	—

Measure

Time frame

Sensitivity of Epworth sleepiness scale At the beginning of study Percent,Sensitivity of STOP-Bang questionnaire At the beginning of study Percent,Sensitivity of Berlin questionnaire At the beginning of study Percent,Specificity of Epworth sleepiness scale At the beginning of study Percent,Specificity of STOP-Bang questionnaire At the beginning of study Percent,Specificity of Berlin questionnaire At the beginning of study Percent

—

Secondary

Measure	Time frame
Prevalence of severe obstructive sleep apnea in patients with morbid obesity At the beginning of study Percent	—

Countries

Thailand

Contacts

Public ContactNarongkorn Saiphoklang

Thammasat Unversity

M_narongkorn@hotmail.com6629269794

Outcome results

None listed

Source: TCTR (via WHO ICTRP) · Data processed: Aug 9, 2026