Respiratory Assessments

Smoking habits may affect the 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.

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

Row	STUDYID	DOMAIN	USUBJID	SPDEVID	RESEQ	RETESTCD	RETEST	RECAT	REORRES	REORRESU	REORREF	VISITNUM	VISIT	REDTC
1	XYZ	RE	XYZ-001-001	ABC001	1	FEV1	Forced Expiratory Volume in 1 Second	WITH BRONCHODILATOR	2.73	L	3.37	2	VISIT 2	2013-06-30
2	XYZ	RE	XYZ-001-001	ABC001	2	FVC	Forced Vital Capacity	WITH BRONCHODILATOR	3.91	L	3.86	2	VISIT 2	2013-06-30
3	XYZ	RE	XYZ-001-001	ABC001	3	FEV1PP	Percent Predicted FEV1	WITH BRONCHODILATOR	81	%		2	VISIT 2	2013-06-30
4	XYZ	RE	XYZ-001-001	ABC001	4	FVCPP	Percent Predicted FVC	WITH BRONCHODILATOR	101.3	%		2	VISIT 2	2013-06-30
5	XYZ	RE	XYZ-001-001	DEF999	5	PEF	Peak Expiratory Flow	WITH BRONCHODILATOR	6.11	L/s	7.33	4	VISIT 2	2013-07-17
6	XYZ	RE	XYZ-001-001	ABC001	6	FEV1	Forced Expiratory Volume in 1 Second	WITHOUT BRONCHODILATOR	2.69	L	3.37	2	VISIT 2	2013-06-30
7	XYZ	RE	XYZ-001-001	ABC001	7	FVC	Forced Vital Capacity	WITHOUT BRONCHODILATOR	3.81	L	3.86	2	VISIT 2	2013-06-30
8	XYZ	RE	XYZ-001-001	ABC001	8	FEV1PP	Percent Predicted FEV1	WITHOUT BRONCHODILATOR	76	%		2	VISIT 2	2013-06-30
9	XYZ	RE	XYZ-001-001	ABC001	9	FVCPP	Percent Predicted FVC	WITHOUT BRONCHODILATOR	98.3	%		2	VISIT 2	2013-06-30
10	XYZ	RE	XYZ-001-001	DEF999	18	PEF	Peak Expiratory Flow	WITHOUT BRONCHODILATOR	5.54	L/s		4	VISIT 2	2013-07-17

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Respiratory Assessments