none
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1. Patients with at least one prior test result of CRP, SAA, NT-proBNP, HBP, cTnI, ST2, MYO, CK-MB performed in our hospital. 2. Qualified retained EDTA-K2 anticoagulated whole blood specimens and matched serum specimens available. 3. Complete and retrievable patient clinical information and test records;
Exclusion criteria
Exclusion criteria: 1. Specimens show hemolysis, lipemia, icterus or other conditions interfering with test results. 2. Improper storage, expired retention (whole blood not tested on the collection day;frozen plasma stored over 3 months) or insufficient specimen volume for retesting. 3. Incomplete or missing patient clinical data and historical test records;
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Test result correlation (Pearson r / R2);Kappa consistency coefficient;Positive and negative match rate;Sensitivity and specificity;Linear regression equation (Y = bX + a); | — |
Secondary
| Measure | Time frame |
|---|---|
| Accuracy;Precision (within-batch, overall CV);linear range; | — |
Countries
China
Contacts
Yancheng First People's Hospital