bronchial asthma
Conditions
Interventions
None listed
Sponsors
Dokkyo Medical University Koshigaya Hospital
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1) Patient who has never been diagnosed as asthma 2) Patient who had either of cough, wheezing, breathing difficulties, or sputum for the past three weeks or more 3) Man and woman of 20 years old or more 4) Patient who signs the letter of consent
Exclusion criteria
Exclusion criteria: 1) Patient who used anti-inflammatory drugs (oral/inhaled/nasal steroid, leukotriene receptor antagonist, chemical mediator release inhibitor, Th2 cytokine inhibitor, or slow-release theophylline) within the past four weeks 2) Patient who was affected with respiratory tract infection within the past three weeks 3) Patient with a history of asthma 4) Patient with breast abnormality detected by a chest X-ray 5) Patient who occurs with the following pulmonary diseases: bronchiectasis, primary pulmonary cancer, connective tissue disease, pulmonary hypertension, and/or cystic disease of the lungs 6) Patient who smoked within the past year
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The following parameter of each index for the diagnosis of asthma; 1) Sensitivity(%) and Specificity(%) 2) PPV(Positive Predictive Value:%), NPV(Negative Predictive Value:%) 3) ROC curve (Receiver-Operator Characteristic curve) 4) Area under the ROC curve | — |
Countries
Japan
Contacts
Public ContactKazuo Hirono
MC&P Co., Ltd. Medical Sciences Marketing Division
Outcome results
None listed