Using spirometry results in occupational medicine and research: Common errors and good practice in statistical analysis and reporting

Wagner, NL; Beckett, William S.; Steinberg, Ralf

doi:10.4103/0019-5278.22888

Cited by 11 publications

(7 citation statements)

References 4 publications

(4 reference statements)

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“…All pulmonary function tests were carried out before and after sweeping. The lung function parameters were Forced Vital Capacity (FVC), Forced Expiratory Volume in first second of forced expiration (FEV1), Forced Expiratory Ratio (FEV1/ FVC %), Peak Expiratory Flow Rate (PEFR), Forced Expiratory Flow during 25-75% of expiration ( FEF 25-75%), Forced Expiratory Flow during 200-1200 ml of expiration (FEF200-1200 ) [9].…”

Section: Wwwjcdrnet S Smilee Johncy Et Al Effect Of Acute Exposumentioning

confidence: 99%

Acute Lung Function Response to Dust in Street Sweepers

Johncy¹

2013

JCDR

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Section: Wwwjcdrnet S Smilee Johncy Et Al Effect Of Acute Exposumentioning

confidence: 99%

Acute Lung Function Response to Dust in Street Sweepers

Johncy¹

2013

JCDR

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“…This could be the cause of decreased PEFR among many of them. 16 The present study estimates respiratory morbidities and demonstrates the inadequacy in protection of road construction workers.…”

Section: Discussionmentioning

confidence: 99%

A study on the respiratory effects in road construction workers in Mysore, India

Majgi

Dinesh

Mukherjee

2017

Int J Community Med Public Health

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Background: The process of road formation involves lot of chemicals which harm the respiratory tract. This leads to many health problems faced by road construction workers due to occupation. This study was done to find out the respiratory problems in road construction workers in Mysore.Methods: 128 workers were asked questions about their respiratory symptoms and knowledge of protection from occupational hazards, and their peak expiratory flow rate and oxygen saturation were measured.Results: Only 31.25% workers had appropriate PEFR. The oxygen saturation was more than 95% for all the workers studied. 30% of the workers suffered from cough and 30% from breathlessness. There was poor knowledge and practice of using protective clothing, especially masks (46% and 5%).Conclusions: Policy changes in preventive precautions for occupational hazards need to be brought in.

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“…Aging is associated with a decline in pulmonary function 13,14) . This is the theoretical basis on which most published spirometric reference studies have used age in their models because there is good inverse linear correlation between lung function measurements and age.…”

Section: Discussionmentioning

confidence: 99%

Predictive Equations for Lung Function Based on a Large Occupational Population in North China

Zhang

Gang

et al. 2009

Journal of Occupational Health

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Predictive Equations for Lung Function Based on a Large Occupational Population in NorthThe currently used predictive equations of lung function in North China were derived from early study and have not been updated for nearly two decades. Methods: Using American Thoracic Society (ATS) standards, sexspecific spirometric predictive equations for forced vital capacity (FVC), forced expiratory volume in one second (FEV 1 ), ratio of FEV 1 to FVC (FEV 1 %) and forced expiratory flow at 25-75% of forced vital capacity (FEF 25-75% ) were derived from 2,897 asymptomatic, lifelong non-smokers (1,208 males, 1,689 females) from a large occupational population in North China.Stepwise multiple regressions were carried out to identify the best predictors of lung function parameters and predictive equations. Independent variables considered for inclusion in predictive equations including age, height, weight and chest circumference were examined. Results: Age and height were found to be necessary variables for all lung function parameters. Weight was a significant variable in only half of our equations. Chest circumferences (expired or inspired) was excluded as they are not practical in use. Data from 255 apparently healthy non-smokers were used to validate the equations by comparing percentage predicted values and proportion of subjects with normal predicted values with those from the study group, and a high accordance was obtained. Other equations published and used in North China do not appear to offer advantages over these equations. Conclusions: These newly developed predictive equations should ideally be applied to calculate lung function for adult individuals and populations as

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Using spirometry results in occupational medicine and research: Common errors and good practice in statistical analysis and reporting

Cited by 11 publications

References 4 publications

Acute Lung Function Response to Dust in Street Sweepers

Acute Lung Function Response to Dust in Street Sweepers

A study on the respiratory effects in road construction workers in Mysore, India

Predictive Equations for Lung Function Based on a Large Occupational Population in North China

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