Seroconversion rates and proportion of patients with high OD values (≥1.4 units) for anti-PF4/heparin antibodies among propensity-matched patients with and without DMT
| Outcome . | DMT (n = 365) . | No DMT (n = 365) . | OR (95% CI) . | P . |
|---|---|---|---|---|
| Seroconversion, n (%) | 43 (11.8) | 23 (6.3) | 1.99 (1.17-3.37) | .018 |
| High OD value ≥1.4, n (%) | 10 (2.7%) | 1 (0.3%) | 10.3 (1.31-80.5) | .012 |
| Outcome . | DMT (n = 365) . | No DMT (n = 365) . | OR (95% CI) . | P . |
|---|---|---|---|---|
| Seroconversion, n (%) | 43 (11.8) | 23 (6.3) | 1.99 (1.17-3.37) | .018 |
| High OD value ≥1.4, n (%) | 10 (2.7%) | 1 (0.3%) | 10.3 (1.31-80.5) | .012 |
Seroconversion rate and proportion of patients with high OD values (≥1.4 units) for anti-PF4/heparin antibodies were compared in 365 pairs of patients with and without DMT after propensity-score matching using the McNemar test. A 2-tailed P value of <.05 was considered statistically significant.