Table 1 Study program

Standard care 1.

•  Consult pulmonary physician

•  Blood testing

•  Spirometry

Study visit 1

•  BPT (standard care)

•  Informed consent

•  FeNO-test (extra)

•  Questionnaires (VAS) (2, extra)

Standard care 2.

•  Results of the FeNO-test and BPT

•  Diagnosis

•  Possible treatment

•  Possible additional investigations

Standard care 3.

•  ACQ, AQLQ after 3 months of treatment (digital consult)