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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
medicine
6-Minute walk distance in healthy North Africans older than 40 years: Influence of parity
Respiratory Medicine, Volume 103, No. 1, Year 2009
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Description
The need for a 6-min walk distance (6-MWD) reference equation for healthy North African adults older than 40 years was assessed in a prospective cross-sectional study. Anthropometric data and 6-MWD were measured in 229 healthy Tunisian adults (125 women) over 40 years old. Two subgroups of 38 women were identified according to the parity (low ≤ 5; high ≥ 6). The published reference equations did not reliably predict measured 6-MWD. The 6-MWD was significantly correlated with gender, age, weight and height (p < 0.001). The combination of these parameters explained 77% of the 6-MWD variability in the equation: 6-MWD (m) = -160.27 × gender (0: men; 1: women) - 5.14 × age (yr) - 2.23 × weight (kg) + 2.72 × height (cm) + 720.50. Parity accelerated the 6-MWD decline (r = -0.39, p < 0.05) and women distinguished only by parity (≤5 vs. ≥6) showed different 6-MWD (589 ± 60 m vs. 555 ± 57 m, p < 0.05). In an additional group of 30 adults prospectively studied to validate the equation, the agreement between the measured and equation-predicted 6-MWD was satisfactory. In conclusion, this reliable 6-MWD reference equation enriches the World Bank and provides an important element of interpretation for women with high parity. © 2008.
Authors & Co-Authors
Ben saad, Helmi
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
France, Paris
Inserm
France, Montpellier
Centre Hospitalier Universitaire de Montpellier
Préfaut, Christian G.
France, Paris
Inserm
France, Montpellier
Centre Hospitalier Universitaire de Montpellier
Tabka, Zouhaïr
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Hadj Mtir, Abdelaziz
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Chemit, Mohamed
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Hassaoune, Rym
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Ben Abid, Tarek
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Zara, Khelifa
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Mercier, Grégoire
France, Montpellier
Hopital Arnaud de Villeneuve
Zbidi, Abdelkarim
Tunisia, Sousse
Service de Physiologie et Des Explorations Fonctionnelles
Hayot, Maurice
France, Paris
Inserm
France, Montpellier
Centre Hospitalier Universitaire de Montpellier
Statistics
Citations: 112
Authors: 11
Affiliations: 4
Identifiers
Doi:
10.1016/j.rmed.2008.07.023
ISSN:
09546111
Study Design
Cross Sectional Study
Cohort Study
Study Approach
Quantitative
Participants Gender
Male
Female