Table 2.
Clinical features associated with PRT/H antibody seropositivity at d 30
| D 30 protamine/heparin antibody status | |||
|---|---|---|---|
| Clinical feature | A450nm ≤1.2 | A450 >1.2 | P value |
| Age, y (SD) | 64 (11.5) | 61.45 (11.46) | .02 |
| Female, % | 28 | 31 | .49 |
| Weight, kg (SD) | 86 (19) | 89 (23) | .1 |
| Smoking, % | 22 | 14 | .04 |
| Serum creatinine, preoperative (SD) | 1.16 (0.75) | 1.28 (1.18) | .18 |
| Previous myocardial infarction, % | 35 | 42 | .13 |
| Chronic obstructive pulmonary disease, % | 24 | 25 | .83 |
| Renal disease, % | 6 | 10 | .08 |
| Hypertension, % | 84 | 78 | .1 |
| Congestive heart failure, % | 46 | 40 | .22 |
| Platelet count (SD) | 260 (112) | 294 (101) | .84 |
| Thrombosis, % | 5.1 | 2.7 | .22 |
| Peripheral vascular disease, % | 9.6 | 13.6 | .18 |
| Diabetes, % | 27 | 41 | .002 |
| Hannan sore (SD) | 0.04 (0.03) | 0.04 (0.04) | .11 |
| Pump time (min) | 147.77 (56.4) | 141.85 (56.21) | .28 |
SD, standard deviation.