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. 2023 Apr 19;45(4):864–874. doi: 10.1007/s11096-023-01578-w

Table 2.

Distribution of risk factors for hospital-acquired thrombosis by service type (N = 213)

Medical N (%) = 65 (30.5) Reablement N (%) = 74 (34.7) General surgery N (%) = 24 (11.3) Orthopaedic N (%) = 50 (23.5) Total N (%) = 213 (100)
Risk factors
 History of VTEa 11 (16.9) 3 (4.1) 4 (16.7) 8 (16) 26 (12.2)
 Current pregnancy 0 0 0 1 (2) 1 (0.5)
 Current smoker 7 (10.8) 2 (2.7) 5 (20.8) 6 (12) 20 (9.4)
 Ex-smokerb 12 (18.5) 14 (18.9) 1 (4.2) 12 (24) 39 (18.3)
 Trauma 26 (40) 37 (50) 8 (33.3) 25 (50) 96 (45)
 Serious infection 28 (43.1) 27 (36.5) 8 (33.3) 22 (44) 85 (39.9)
 ICU stayc 0 3 (4.1) 0 3 (6) 6 (2.8)
 Restricted mobility 38 (59.4) 43 (58.1) 10 (41.7) 24 (48) 115 (54.2)
Comorbidities
 Stroked 3 (4.6) 5 (6.8) 0 2 (4) 10 (4.7)
 Myocardial infarctiond 10 (15.4) 6 (8.1) 2 (8.3) 7 (14) 25 (11.7)
 CHFe 4 (6.2) 8 (10.8) 3 (12.5) 2 (4) 17 (8)
 COPDf 6 (9.2) 4 (5.4) 4 (16.7) 7 (14) 21 (9.9)
 Active cancer 7 (10.8) 10 (13.5) 6 (25) 9 (18) 32 (15)
 Thrombophilia 0 1 (1.4) 1 (4.2) 0 2 (0.9)
 Irritable bowel disease 2 (3.1) 0 0 0 2 (0.9)
 Diabetes 15 (23.1) 9 (12.2) 2 (8.3) 4 (8) 30 (14.1)
 Any comorbidity 36 (55.4) 30 (40.5) 13 (54.2) 21 (42) 100 (46.9)
Risk associated medications
 Oral contraceptive pill 4 (6.2) 0 0 0 4 (1.9)
 HRTg 1 (1.5) 0 0 1 (2) 2 (0.9)
 Antidepressant 5 (7.7) 7 (9.5) 3 (12.5) 4 (8) 19 (8.9)
 Chemotherapy 3 (4.6) 2 (2.7) 4 (16.7) 5 (10) 14 (6.6)
 Any medication 12 (18.5) 9 (12.2) 7 (29.2) 10 (20) 38 (17.8)

aVenous thromboembolism

bSmoke free in the last 28 days

cICU = Intensive Care Unit

dEvent occurring within 6 months before index admission

eCongestive heart failure

fChronic obstructive pulmonary disease

gHormone replacement therapy