Table 5 Comparison of serum thromboxane B2 levels with resistance by OPA and non-response by PFA-100 resistance cohort (n = 172)
| Resistant by AA aggregation | Sensitive by AA aggregation | Significance | |
| TXB2 at visit 1 | 146.8 pg/ml | 89.6 pg/ml | p = 0.99 |
| (11.0–334.8) | (43.5–230.0) | ||
| n = 3 | n = 169 | ||
| TXB2 at visit 2 | 120.9 pg/ml | 111.3 pg/ml | p = 0.69 |
| (28.3–219.3) | (46.6–252.1) | ||
| n = 8 | n = 164 | ||
| Non-response by PFA-100 | Sensitive by PFA-100 | Significance | |
| TXB2 at visit 1 | 84.2 pg/ml | 92.8 pg/ml | p = 0.30 |
| (37.3–175.6) | (43.5–231.3) | ||
| n = 38 | n = 134 | ||
| TXB2 at visit 2 | 194.6 pg/ml | 92.9 pg/ml | p = 0.02 |
| (46.6–544.6) | (46.4–201.1) | ||
| n = 35 | n = 137 |
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Results displayed as medians and interquartile ranges.
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AA, arachidonic acid; PFA-100, platelet function analyser-100; TXB2, thromboxane B2.
