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Correlation Between Friedman Classification and the Apnea Hypopnea Index (AIH) in a Population With Obstructive Sleep Apnea Syndrome (OSAS) (FriedmAIH)

This study has been completed.
Hospital Dia
Information provided by:
Irmandade da Santa Casa de Misericoridia de Limeira Identifier:
First received: April 16, 2009
Last updated: NA
Last verified: April 2009
History: No changes posted


OSAS is an important disease in the actual medic scene. It is important for correlation with chronic cardiovascular disease that leaves an increase in morbimortality and socioeconomic disability to patients with apnea.


Determinate the correlation between Friedman Classification and the obstructive sleep apnea syndrome (OSAS) gravity through AHI (Apnea Hypopnea Index) in patients with OSAS for surgical indication and evaluation.

Materials and Methods:

The investigators evaluated and classified 84 patients, in the scale of Epworth, Friedman and how much the gravity of the SAHOS for the AHI.

Obstructive Sleep Apnea Syndrome

Study Type: Observational
Study Design: Observational Model: Ecologic or Community
Time Perspective: Cross-Sectional
Official Title: Correlation Between Friedman Classification Ande ApneaHypopnea Index in a Population With OSAS

Resource links provided by NLM:

Further study details as provided by Irmandade da Santa Casa de Misericoridia de Limeira:

Primary Outcome Measures:
  • Friedman Classification [ Time Frame: one year ]

Secondary Outcome Measures:
  • Apnea-Hypopnea Index [ Time Frame: one year ]

Estimated Enrollment: 147
Study Start Date: February 2007
Study Completion Date: October 2008
Primary Completion Date: February 2008 (Final data collection date for primary outcome measure)
OSAS patients
no OSAS Patient


Ages Eligible for Study:   21 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Study Population
Patients of Ambulatory of Sleep Respiratory Disorders of Santa Casa de Limeira

Inclusion Criteria:

  • Not exhibiting any exclusion criteria
  • Age > 21 years

Exclusion Criteria:

  • Nasal tumor
  • BMI > 40
  • No acceptance of study
  • Nasal poliposis
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Please refer to this study by its identifier: NCT00883025

Hospital Dia
Limeira, São Paulo, Brazil, 13485051
Sponsors and Collaborators
Irmandade da Santa Casa de Misericoridia de Limeira
Hospital Dia
  More Information

Publications automatically indexed to this study by Identifier (NCT Number):
Responsible Party: Marcos Marques Rodrigues, Irmandade da Santa Casa de Misericoridia de Limeira Identifier: NCT00883025     History of Changes
Other Study ID Numbers: CEP ISCML 113/08
Study First Received: April 16, 2009
Last Updated: April 16, 2009

Keywords provided by Irmandade da Santa Casa de Misericoridia de Limeira:
Friedman Classification
Apnea-Hypopnea Index
Obstructive Sleep Apnea Syndrome

Additional relevant MeSH terms:
Sleep Apnea Syndromes
Sleep Apnea, Obstructive
Pathologic Processes
Respiration Disorders
Respiratory Tract Diseases
Signs and Symptoms, Respiratory
Signs and Symptoms
Sleep Disorders, Intrinsic
Sleep Wake Disorders
Nervous System Diseases processed this record on May 25, 2017