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Smoking habits may affect respiratory function. Spirometry is a test that measures how an individual inhales or exhales volumes of air as a function of time, and is a test of general respiratory health.

The Respiratory System Findings (RE)) domain is based on the Findings Observation class. The RE is a body system-based morphology/physiology domain. This findings domain is used to repesent  physiological and morphological findings related to the respiratory system, including the organs that are involved in breathing such as the nose, throat, larynx, trachea, bronchi and lungs.  

Example

In this example, spirometry was used to evaluate lung function. This shows results from several spirometry tests using either a spirometer or a peak flow meter where only the best result is available. The spirometry was assessed with and without bronchodilator use (represented in RECAT). Only select variables are shown.   

Rows 1-2, 6-7:Show the data in original units of measure in REORRES for the best result for spirometry tests with the predicted values in REORREF.
Rows 3-4, 8-9:Show the data in original units of measure in REORRES of percent predicted tests as output by the spirometer device. REORREF is null as there are no reference results for percent predicted tests.
Rows 5, 10:Show the data in original units of measure in REORRES for the peak flow test with the predicted values in REORREF.

re.xpt

re.xpt

RowSTUDYIDDOMAINUSUBJIDSPDEVIDRESEQRETESTCDRETESTRECATREORRESREORRESUREORREF...VISITNUMVISITREDTC
1XYZREXYZ-001-001ABC0011FEV1Forced Expiratory Volume in 1 SecondWITH BRONCHODILATOR2.73L3.37
2VISIT 22013-06-30
2XYZREXYZ-001-001ABC0012FVCForced Vital CapacityWITH BRONCHODILATOR3.91L3.86
2VISIT 22013-06-30
3XYZREXYZ-001-001ABC0013FEV1PPPercent Predicted FEV1WITH BRONCHODILATOR81%

2VISIT 22013-06-30
4XYZREXYZ-001-001ABC0014FVCPPPercent Predicted FVCWITH BRONCHODILATOR101.3%

2VISIT 22013-06-30
5XYZREXYZ-001-001DEF9995PEFPeak Expiratory FlowWITH BRONCHODILATOR6.11L/s7.33
4VISIT 22013-07-17
6XYZREXYZ-001-001ABC0016FEV1Forced Expiratory Volume in 1 SecondWITHOUT BRONCHODILATOR2.69L3.37
2VISIT 22013-06-30
7XYZREXYZ-001-001ABC0017FVCForced Vital CapacityWITHOUT BRONCHODILATOR3.81L3.86
2VISIT 22013-06-30
8XYZREXYZ-001-001ABC0018FEV1PPPercent Predicted FEV1WITHOUT BRONCHODILATOR76%

2VISIT 22013-06-30
9XYZREXYZ-001-001ABC0019FVCPPPercent Predicted FVCWITHOUT BRONCHODILATOR98.3%

2VISIT 22013-06-30
10XYZREXYZ-001-001DEF99918PEFPeak Expiratory FlowWITHOUT BRONCHODILATOR5.54L/s

4VISIT 22013-07-17
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