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Table 1 Patients characteristics

From: Comparison of 3,000 and 5,000 IU aXa/day certoparin in the prevention of deep-vein thrombosis after total hip replacement

  3,000 IU aXa (n = 252) 5,000 IU aXa (n = 248) p-value
Age (years) mean ± SD 70.6 ± 9.6 71.7 ± 10.6 n.s.
Sex (male) 93 (37%) 82 (33%) n.s
Weight (kg) mean ± SD 71.3 ± 15.3 71.4 ± 14.9 n.s
Predisposing risk factor    
Smoker 43 (17%) 41 (17%) n.s.
Previous hip surgery 76 84 n.s.
Previous DVT 9 (4%) 19 (8%) 0.047
Previous pulmonary embolism 2 (1%) 11 (4%) 0.011
Obesity 46 (19%) 58 (23%) n.s.
Hypertension 57 (23%) 71 (29%) n.s.
Frequent bleeding episodes 2 (0.8%) 0 (0.0%) n.s.
Leg edema 68 87 n.s.
Varices 90 (36%) 87 (35%) n.s.
Varicous ulcer 12 (4.8%) 18 (7.3%) n.s.
  1. DVT, deep venous thrombosis; SD, standard deviation: n.s., not significants.