Table 4

Incidence of venous thromboembolism among medical inpatients receiving enoxaparin versus UFH prophylaxis by dosage and duration of prophylaxis received




Outcome (N [%])




Prophylaxis Received/Dosage or Days
N
% of Patients
DVT
PE
VTE (DVT and/or PE)

Dosage:
     Enoxaparin





          30–40 mg
186
38.8%
0 (0.0)
0 (0.0)
0 (0.0)
          50–60 mg
293
61.2%
8 (2.7)
0 (0.0)
8 (2.7)
     UFH





          5,000-<10,000 IU
414
14.5%
47 (11.4)
8 (1.93)
52 (12.6)
          10,000 IU
2,221
78.0%
109 (4.9)
23 (1.04)
121 (5.4)
          >10,000–15,000 IU
214
7.5%
7 (3.3)
1 (0.5)
7 (3.3)






Prophylaxis days:
     Enoxaparin





          1–2 days
74
15.4%
4 (5.4)
0 (0.0)
4 (5.4)
          3–4 days
36
7.5%
2 (5.6)
0 (0.0)
2 (5.6)
          5–6 days
123
25.7%
2 (1.6)
0 (0.0)
2 (1.6)
          > 6 days
246
51.4%
0 (0.0)
0 (0.0)
0 (0.0)
     UFH





          1–2 days
831
29.3%
109 (13.1)
22 (2.7)
120 (14.4)
          3–4 days
227
8.0%
21 (9.25)
2 (0.9)
23 (10.1)
          5–6 days
608
21.4%
15 (2.5)
4 (0.7)
15 (2.5)
          > 6 days
1,171
41.3%
18 (1.5)
4 (0.3)
22 (1.9)

Bold indicates p for trend <0.05

McGarry et al. Thrombosis Journal 2006 4:17   doi:10.1186/1477-9560-4-17