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Table 2 Preoperative risk factors of thromboembolic events

From: Preoperative risk factor analysis of postoperative stroke after Cox-maze procedure with mitral valve repair

  Univariate
OR (95% CI) p value
Age, years 1.34 (0.19-10.52) 0.75
Sex 0.92 (0.34-2.48) 0.86
Rheumatic etiology 0.63 (0.24-1.63) 0.34
Preoperative giant LA (>60 mm) 0.65 (0.15-2.87) 0.57
Hypertension 0.34 (0.05-2.58) 0.30
Concomitant cardiac surgery 1.08 (0.41-2.84) 0.88
Warfarin stop at 3 M postoperatively 0.79 (0.30-2.08) 0.63
Preoperative anticoagulation NA  
Preoperative LA thrombus 0.65 (0.09-.4.89) 0.67
Postoperative LA thrombus 2.25 (0.51-9.93) 0.28
Preoperative stroke history 3.23 (1.12-9.26) 0.03
CHADs2-VAS score 2.60 (0.90-7.48) 0.08
  1. Abbreviations: LA, left atrium; M, month; OR, odds ratio; CI, confidential interval; NA, not applicable due to zero count.