Welch Allyn Schiller AT-2plus Manual page 22

Displaying the Results in Tabular Form
Press the Results option key `6`
been made. A measurement table is displayed.
The display gives the measured values and the predicted values* (calculated from the entered
patient data). The predicted values can only be calculated when the patient data has been entered.
The result displayed is in accordance with ATS recommendations and is the best result for each
individual parameter, from the three tests recorded.
When subsequent tests are made, the result with the highest value will always be saved and given
in the measurement column.
Press the
screen is shown opposite. The measurement table for all parameters are similar.
*
AT-2plus User Guide Spirometry Supplement Page 12
ALT
key to return to the graphic display. An example of the FVC measurement
The predicted values (%) given on the printout may differ slightly from the values that
would be obtained if manually calculated. The reason is that the measured and predicted
values on the printout are rounded to two decimal places, the processor however, uses
the actual values - measured to three decimal places - to calculate the % of predicted
value. This can account for a possible variation. Where a difference exists, the values
given on the printout are always the more accurate.
20
6
after a measurement, or series of measurements have