Table 2 Baseline characteristics of patients with high titers of anti-PF4/heparin antibody
From: Reduced induction of anti-PF4/heparin antibody in RA patients after total knee arthroplasty
Postoperative seroconversion (OD ≥ 0.4) | |||
|---|---|---|---|
Positive | Negative | ||
(n = 28) | (n = 96) | p value | |
Gender(male/female) | 6/22 | 14/82 | 0.275 |
Age (years), mean ± SD | 73.8 ± 6.6 | 73.3 ± 7.0 | 0.551 |
BMI (kg/m2), mean ± SD | 27.3 ± 3.9 | 26.5 ± 4.2 | 0.532 |
History of venous thrombosis, n (%) | 1 (3.6 %) | 6 (6.3 %) | 0.503 |
Comorbidities, n (%) | |||
Hypertension | 18 (64.3 %) | 65 (67.7 %) | 0.735 |
Ischemic heart disease | 2 (7.1 %) | 4 (4.2 %) | 0.409 |
Diabetes | 9 (32.1 %) | 18 (18.8 %) | 0.131 |
Cerebrovascular disease | 3 (10.7 %) | 7 (7.3 %) | 0.401 |
Operation time (min), mean ± SD | 91.1 ± 20.6 | 94.3 ± 23.7 | 0.682 |
RA/OA | 3/25 | 23/73 | 0.130 |
Foot pump, n (%) | 12 (42.9 %) | 47 (49.0 %) | 0.569 |
Use of steroid, n (%) | 2 (7.1 %) | 16 (16.7 %) | 0.171 |
Use of MTX, n (%) | 1(3.6 %) | 9 (9.4 %) | 0.292 |