Clinical Predictive Factors of Lower Extremity Deep Vein Thrombosis in Relative High-Risk Patients after Neurosurgery: A Retrospective Study

Table 5

Corresponding sensitivity and specificity.

	Sensitivity	Specificity	Positive predictive value	Negative predictive value	Positive likelihood ratio	Negative likelihood ratio
Autar score	0.97 (0.89, 0.99)	0.79 (0.71, 0.85)	0.67 (0.57, 0.95)	0.98 (0.94, 0.99)	4.55 (3.30, 6.27)	0.04 (0.01, 0.16)
Combined factor	0.95 (0.87, 0.99)	0.97 (0.92, 0.99)	0.92 (0.83, 0.98)	0.98 (0.94, 0.99)	26.8 (11.3, 63.6)	0.05 (0.02, 0.15)
GSC score	0.38 (0.26, 0.51)	0.81 (0.73, 0.87)	0.47 (0.37, 0.60)	0.75 (0.63, 0.82)	1.99 (1.25, 3.16)	0.77 (0.62, 0.94)
Gender	0.57 (0.44, 0.69)	0.65 (0.56, 0.72)	0.42 (0.34, 0.55)	0.77 (0.67, 0.83)	1.61 (1.18, 2.19)	0.66 (0.49, 0.91)
Hypertension	0.57 (0.44, 0.69)	0.68 (0.60, 0.76)	0.44 (0.36, 0.58)	0.78 (0.68, 0.84)	1.79 (1.29, 2.47)	0.63 (0.46, 0.86)
Postoperative D-dimer	0.73 (0.60, 0.83)	0.74 (0.66, 0.8)	0.55 (0.46, 0.69)	0.86 (0.78, 0.90)	2.78 (2.03, 3.81)	0.37 (0.24, 0.56)