Spirometric nomograms for normal children and adolescents in Puerto Rico
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| Format: | Artículo científico |
| Language: | en |
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Instituto Nacional de Salud Pública
1997
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| _version_ | 1876448258267545600 |
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| author | Mario Chen |
| author_facet | Mario Chen |
| contents | Spirometric nomograms for normal children and adolescents in Puerto Rico Mario Chen Shrikant I. Bangdiwala Salud children spirometry adolescence Puerto Rico Objective. The use of spirometric reference values specific to the population being tested is preferable. A study carried out in Puerto Rico is used here to develop nomograms for normal children and adolescents based on age and height, two variables that have been found to be good predictors of pulmonary function. Material and methods. The data for healthy individuals aged 5 to 18 were extracted (108 girls and 107 boys) from a larger study of spirometric measurements collected on 4 527 individuals attending medical services in Puerto Rico. Several models were tested for the prediction of FEV1, FVC and the ratio FEV1/FVC. The best models were selected for each gender, and nomograms were developed showing the fifth, twenty-fifth, fiftieth, seventy-fifth, and ninety-fifth percentile of the predicted values according to age and height separately. Results. The best models were those using the logarithm of the pulmonary function and the cube of height (R2= 0.79-0.81), and age without transformation (R2= 0.73-0.77). Corresponding nomograms were developed based on these models. The ratio showed little variation for different ages and heights.Conclusions. Pulmonary function can be efficiently predicted by age and height. Nomograms provide a simple way to use spirometric references that can be incorporated to clinical practice. 1997 artículo científico 0036-3634 https://www.redalyc.org/articulo.oa?id=10639103 en http://www.redalyc.org/revista.oa?id=106 Salud Pública de México application/pdf Instituto Nacional de Salud Pública Salud Pública de México (México) Num.1 Vol.39 |
| format | Artículo científico |
| id | redalyc_10639103 |
| institution | Redalyc |
| language | en |
| publishDate | 1997 |
| publisher | Instituto Nacional de Salud Pública |
| spellingShingle | Spirometric nomograms for normal children and adolescents in Puerto Rico Mario Chen Salud children spirometry adolescence Puerto Rico Spirometric nomograms for normal children and adolescents in Puerto Rico Mario Chen Shrikant I. Bangdiwala Salud children spirometry adolescence Puerto Rico Objective. The use of spirometric reference values specific to the population being tested is preferable. A study carried out in Puerto Rico is used here to develop nomograms for normal children and adolescents based on age and height, two variables that have been found to be good predictors of pulmonary function. Material and methods. The data for healthy individuals aged 5 to 18 were extracted (108 girls and 107 boys) from a larger study of spirometric measurements collected on 4 527 individuals attending medical services in Puerto Rico. Several models were tested for the prediction of FEV1, FVC and the ratio FEV1/FVC. The best models were selected for each gender, and nomograms were developed showing the fifth, twenty-fifth, fiftieth, seventy-fifth, and ninety-fifth percentile of the predicted values according to age and height separately. Results. The best models were those using the logarithm of the pulmonary function and the cube of height (R2= 0.79-0.81), and age without transformation (R2= 0.73-0.77). Corresponding nomograms were developed based on these models. The ratio showed little variation for different ages and heights.Conclusions. Pulmonary function can be efficiently predicted by age and height. Nomograms provide a simple way to use spirometric references that can be incorporated to clinical practice. 1997 artículo científico 0036-3634 https://www.redalyc.org/articulo.oa?id=10639103 en http://www.redalyc.org/revista.oa?id=106 Salud Pública de México application/pdf Instituto Nacional de Salud Pública Salud Pública de México (México) Num.1 Vol.39 |
| title | Spirometric nomograms for normal children and adolescents in Puerto Rico |
| topic | Salud children spirometry adolescence Puerto Rico |
| url | https://www.redalyc.org/articulo.oa?id=10639103 |