What was the fev 1 at the initial radius of 5.00mm?

The FEV1 value at an initial radius of 5.00 mm would depend on the specific pulmonary function test results for an individual. FEV1, or Forced Expiratory Volume in one second, is a measure of lung function that can be influenced by various factors like age, sex, and overall health. Therefore, without additional information, it is not possible to determine the exact FEV1 value at a specific initial radius.