P-Selectin: An Unpredicted Factor for Deep Vein Thrombosis after Total Hip Arthroplasty

Table 7

Amount of change of P-selectins versus the other discrete covariates.

Subjects	Categories										𝑃 value	Categorization
	0		1		2		3		4
	Mean	S.D.	Mean	S.D.	Mean	S.D.	Mean	S.D.	Mean	S.D.
DVT	−0.17	0.57	−0.12	0.33							0.98	Normal = 0, DVT = 1
Sex	−0.20	0.57	−0.07	0.42							0.39	Female = 0, male = 1
DM	−0.18	0.54	0.04	0.39							0.12
HP	−0.19	0.56	−0.10	0.46							0.53
Cardio	−0.17	0.54	0.00	0.28							0.44
History of DVT	−0.19	0.52	0.20	0.47							0.04
History of surgery	−0.15	0.57	−0.15	0.48							0.29
Smoke	−0.17	0.52	−0.06	0.59							0.58
Diagnosis	0.00	0.44	−0.01	0.32	−0.46	0.66	−0.19	0.20	−0.18	0.55	0.02	OA = 0, AVN = 1,; fracture = 2, DDH = 3,; others = 4
Blood type	−0.10	0.51	−0.20	0.45	0.06	0.67	−0.25	0.55			0.65	A = 0, B = 1, AB = 2,; O = 3
Edema	−0.18	0.58	−0.13	0.41	−0.13	0.67	0.25				0.62	Light = 1, middle = 2,; severe = 3

Mann-Whitney test and Kruskal-Wallis test were used for obtaining 𝑃 values.