Table 2.

Prevalence of DVT

	All patients N = 125 N (%; 95% CI)	Patients with previous VTE (during admission) N = 34 N (%; 95% CI)	Patient without previous VTE during admission N = 91 N (%; 95% CI)
Outcome
Asymptomatic DVT found with US-screening	5 (4.0%; 1.3–9.1%)	3 (8.8%; 1.9–23.7%)	2 (2.2%; 0.3–7.7%)
VTE diagnosed within 28 days after study ultrasound	9 (7.2%; 3.3–13.2%)	1 (2.9%; 0.1–15.3%)	8 (8.8%; 3.9–16.6%)
Pulmonary embolism	9 (7.2%; 3.3–13.2%)	1 (2.9%; 0.1–15.3%)	8 (8.8%; 3.9–16.6%)
DVT leg	0 (0.0%; 0.0–2.9%)	0 (0%; 0.0–10.3%)	0 (0%; 0.0–4.0%)
DVT arm	0 (0.0%; 0.0–2.9%)	0 (0%; 0.0–10.3%)	0 (0%; 0.0–4.0%)
Days after study ultrasound—median (IQR)	3 (0.5–7.5)	0 (N/A)	3.5 (1.3 -7.8)
30 day mortality	10 (8.0%; 3.9–14.2%)	1 (2.9%; 0.1–15.3%)	8 (8.8%; 3.9–16.6%)

Data are presented as absolute numbers with (%), interquartile range (IQR) or 95% confidence intervals (95% CI)

US ultrasound, VTE venous thromboembolism, DVT deep vein thrombosis