Table 4 Comparison of HIT and suspected HIT groups
| Parameters | All patients (n = 38) | HIT group (n = 16) | Suspected HIT group (n = 22) | P value |
|---|---|---|---|---|
| 4Ts score | 5.4 ± 1.2 | 5.7 ± 1.2 | 5.3 ± 1.1 | 0.527 |
| preoperative HIT Ab (OD) | 0.4 ± 0.2 | 0.5 ± 0.1 | 0.4 ± 0.1 | 0.651 |
| HIT Ab titer (OD) | 1.4 ± 1.6 | 2.7 ± 0.8 | 0.3 ± 0.2 | 0.001 |
| PLT drop(%, 95 CI) | 70.1 (67.9 ~ 79.0) | 73.6 (67.2 ~ 79.4) | 67.9 (62.9 ~ 71.7) | 0.236 |
| Minimum PLT(109/L) | 44.4 ± 16.6 | 40.9 ± 17.2 | 47.6 ± 20.1 | 0.076 |