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Table 5 Demographic factors

From: Risk factors for venous thromboembolism of total hip arthroplasty and total knee arthroplasty: a systematic review of evidences in ten years

Risk factors(demographic factors) Studies reporting on a risk factor for THA or TKA:total number,number reporting a significant (p ≤ .05)increased(+)or decreased (−) risk,and number with no significant association (p > .05)
THA TKA
  N p ≤ .05 p > .05 N p ≤ .05 p > .05
   + -    + -  
Older age 8 6 0 2 9 3 0 6
Female sex 9 2 1 6 9 2 0 7
Higher BMI* 3 1 0 2 6 1 0 5
Black race (vs. white) - - - - 1 1 0 0
Hispanic race (vs. white) - - - - 1 0 0 1
Higher ASA score 3 0 0 3 2 0 0 2
  1. *BMI = Body Mass Index.
  2. The ASA (American Society of Anesthesiologists) score refers to the classification of the physical status of a patient before surgery.