Table 1 Patient characteristics and risk factors in 281 patients with first-time VTE, grouped by age
From: Incidence of venous thromboembolism in northern Sweden (VEINS): a population-based study
All (n = 281) | 18-64 years (n = 92) | 65-79 years (n = 100) | 80 years and over (n = 89) | |
|---|---|---|---|---|
Male | 128 (45.6) | 47 (51.1) | 54 (54.0) | 27 (30.3) |
Mean age (years) | 70.0 ± 15.2 | 52.3 ± 10.8 | 72.7 ± 4.2 | 85.5 ± 4.1 |
Risk factors | ||||
Recent hospitalizationa | 120 (42.7) | 39 (42.4) | 44 (44.0) | 37 (41.6) |
Recent surgical interventiona | 42 (14.9) | 23 (25.0) | 11 (11.0) | 8 (9.0) |
Recent immobilization >48 hoursa | 42 (14.9) | 17 (18.5) | 13 (13.0) | 12 (13.5) |
Recent traumaa | 15 (5.3) | 7 (7.6) | 6 (6.0) | 2 (2.2) |
Recent cast therapya | 5 (1.8) | 3 (3.3) | 2 (2.0) | 0 (0) |
Recent travel > 8 hoursa | 4 (1.4) | 3 (3.3) | 1 (1.0) | 0 (0) |
Concurrent malignancy | 88 (31.3) | 24 (26.1) | 45 (45.0) | 19 (21.3) |
Malignancy diagnosed within 2 years of VTE event | 7 (2.5) | 2 (2.2) | 4 (4.0) | 1 (1.1) |
Central venous line | 27 (9.6) | 13 (14.1) | 12 (12.0) | 2 (2.2) |
Positive heredity for VTE | 7 (2.5) | 5 (5.4) | 2 (2.0) | 0 (0) |
Coagulation disorder | 7 (2.5) | 7 (7.6) | 0 (0) | 0 (0) |
Hormone therapyb | 7 (4.6) | 5 (11.1) | 0 (0) | 2 (3.2) |
Pregnancyb | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Postpartumb | 1 (0.7) | 1 (2.2) | 0 (0) | 0 (0) |
No risk factors | 116 (41.3) | 29 (31.5) | 35 (35.0) | 52 (58.4) |
VTE prophylaxis at diagnosis | 11 (3.9) | 2 (2.2) | 5 (5.0) | 4 (4.5) |