The use of prednisone postoperatively (OR: 3.3, 95% CI: 0.8-14.0, P = 0.10) and a history of previous pericardial effusion (OR: 4.7, 95% CI: 0.9-25.6, P = 0.08) were associated with a higher odds of pericardiocentesis but did not reach statistical significance.
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