allergy
Conditions
Interventions
Gold Standard:According to the severity of allergic reactions, the clinical manifestations are divided into four levels, as follows:
Grade1: Only cutaneous signs, rash and urticaria.
Grade2: Cutaneous
cardiovascular signs include tachycardia, hypotension
Respiratory disturbances include difficulty inflating, wheezing and cough.
Grade3: Life-threaten
Index test:MRGPRX2(Reverse 
Sponsors
Xi'an Jiaotong University
Eligibility
Sex/Gender
All
Age
18 Years to 80 Years
Inclusion criteria
Inclusion criteria: 1. Patients had an operation during the sample period; 2. Aged 20 to 80 years.
Exclusion criteria
Exclusion criteria: 1. Patients whose transcript level of MRGPRX2 is lower than the limit of detection; 2. Woman who is pregnant; 3. Patient suffers with anaphylactoid reaction die in 24 hours; 4. Samples with inadequate information; 5. Samples which take or keep unproperly; 6. Samples been polluted; 7. Samples which fall to be detacted reasonably.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Sensitivity;specificity;Positive predictive value;Negative predictive value; | — |
Countries
China
Contacts
Public ContactLangchong He
Xi'an Jiaotong University
Outcome results
None listed