Table 2.

Comparison of the three models.

Risk group	Score	DVT group (n)	Control group (n)	OR (95% CI)	p
Caprini model
Very low risk	5–6	25	46	–	–
Low risk	7–8	26	16	2.990 (1.356, 6.592)	0.006
Moderate risk	9–10	30	18	3.067 (1.433, 6.562)	0.001
High risk	≥11	6	2	4.774 (1.036, 29.404)	0.029
Wells DVT model
Low risk	0	0	92	–	–
Moderate risk	1–2	27	11	–	–
High risk	≥3	79	3	10.728 (2.783, 40.355)	<0.001
	3–4	60	3	8.148 (2.102, 31.588)	0.001
	≥5	19	0	–	–
Khorona model
Low risk	0	0	0	–	–
Moderate risk	1–2	81	103	1	–
High risk	≥3	25	3	10.597 (3.090, 36.342)	<0.001

DVT: deep vein thrombosis; OR: odds ratio; CI: confidence interval.