Table 4.
Positive Percent Agreement (PPA), Negative Percent Agreement (NPA) and Overall Rates of Agreement (ORA) for the AUC-PL with a cut-off >159 for MEA and >65 for LTA to Predict low Response in MEA or LTA.
| PPA (%) | NPA (%) | ORA (%) | |
|---|---|---|---|
| Single MEA a | 71.4 | 78.4 | 77.6 |
| Double MEA b | n.a. | 78.4 | 75.5 |
| Single and double MEA c | 77.8 | 78.4 | 78.3 |
| Single LTA a | 81.0 | 67.7 | 73.1 |
| Double LTA b | 87.5 | 67.7 | 71.8 |
| Single and double LTA c | 82.8 | 67.7 | 75.0 |
Abbreviations: AA, arachidonic acid; ADP, adenosine diphosphate; ASPI-test, acetylsalicylic acid-test; LTA; light transmission aggregometry; MEA, multiple electrode aggregometry; n.a. not applicable, due to one value = 0.
a
“Single MEA” or “Single LTA” includes low responder in one of the MEA or LTA tests.
b
“Double MEA” or “Double LTA” includes low responders in both MEA or LTA tests.
c
Including single and double low response.