Multiple Venous Thromboembolism Pharmacologic Agents Are Associated with an Increased Risk for Early Postoperative Complications following a Total Joint Arthroplasty
Table 2
Demographics of patients on 2 or more VTE medications postoperatively.
Parameter
Test
value
2 or more inpatient prophylaxis (N = 881)
Others (N = 1779)
Body mass index
T-test
0.122
31.6 (6.5)
32.1 (6.7)
Rank sum
0.100
30.8 (27.1–35.5)
31.2 (27.4–36.4)
Case joint
Chi-square
0.165
TKA = 537
TKA = 1135
THA = 344
THA = 644
Side
Chi-square
0.987
Left = 408
Left = 821
Right = 455
Right = 923
Both = 18
Both = 35
Race
Chi-square
0.996
Caucasian = 732
Caucasian = 1476
AA = 111
AA = 226
Unknown = 38
Unknown = 76
Gender
Chi-square
0.143
Male = 374
Male = 701
Female = 507
Female = 1078
Age
T-test
<0.001
68.6 (10.1)
64.7 (10.4)
Rank sum
<0.001
69.0 (62.0–76.0)
65.0 (58.0–72.0)
Preoperative ASA (categorical)
Chi-square
<0.001
1 = 3
1 = 17
2 = 156
2 = 489
3 = 625
3 = 1165
4 = 96
4 = 107
Preoperative ASA (continuous)
T-test
<0.001
2.9 (0.5)
2.8 (0.6)
Rank sum
<0.001
3.0 (3.0–3.0)
3.0 (2.0–3.0)
AA: African American; ASA: American Society of Anesthesiologists; THA: total hip arthroplasty; TKA: total knee arthroplasty; VTE: venous thromboembolism. Patients on 2 or more VTE medications postoperatively were more likely to be older and have a higher preoperative ASA score.
