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Table 3 Comparison among different surgical sites

From: Preoperative prevalence of deep vein thrombosis in patients scheduled to have surgery for degenerative musculoskeletal disorders

  knee (211) hip (328) neck (174) low back (523) P* value
Age (y) 74.0 ± 8.6 66.6 ± 11.7* * 63.4 ± 13.5* * 66.4 ± 14.3* * <0.01
Male/ Female 50 / 161 53 / 275 126 / 48 306 / 217 <0.01
BMI (kg/m2) 26.2 ± 4.6 24.0 ± 3.9* * 24.0 ± 3.5* * 24.6 ± 4.2* * <0.01
D-dimer (μg/mL) 1.85 ± 2.99 1.32 ± 1.38* * 0.86 ± 10.08* * 1.00 ± 1.40* * <0.01
DVT (%) 14.7 % (31) 6.1% (20) 4.0% (7) 6.3 % (34) < 0.01
  1. * ANOVA or x2 test.
  2. * * P < 0.05 (Dunnett test; reference = group knee).
  3. BMI Body mass index