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. 2013 Jul 18;14(1):75. doi: 10.1186/1465-9921-14-75

Table 1.

Baseline characteristics of 4036 patients with COPD according to initial VTE presentation

 
PE patients
DVT patients
p
  (n=2452), % (n=1584), %  
Men
1579 (64.4)
1114 (70.3)
<0.0001
Obesity (BMI > 30 kg/m2)
470 (19.2)
356 (22.5)
0.02
Age
 
 
 
Mean (SD)
73.4 (11.4)
72.0 (11.7)
<0.0001
≥75 years
1332 (54.3)
727 (45.9)
<0.0001
Cancer
535 (21.8)
353 (22.3)
0.73
Recent surgery
197 (8.0)
111 (7.0)
0.23
Previous VTE
383 (15.6)
290 (18.3)
0.02
Recent immobilization > 3 days 780 (31.8) 491 (31.0) 0.59

Recent immobilization is defined as an immobilization for non-surgical reason ≥4 days in the 2-month period prior to VTE diagnosis. Recent surgery is defined as operation in the 2 month prior to VTE.