Table 1:

Associated factors with pressure sores were analyzed by the comparison between the pressure sores group and normal group [n(%)]or[x±sd]

Variable	Pressure sores group (n=10)	Normal group (n=189)	P
Age(yr)	53.99±11.54	41.89±10.24	<0.001
Body weight (Kg)	76.24±12.86	60.33±12.92	<0.001
	Gender		0.7320
Male	35 (35.00)	70 (37.04)
Female	65 (65.00)	119 (62.96)
Hospital stay (day)	9.50±1.25	5.25±1.50	<0.001
Operative time (h)	9.00±1.344	5.00±1.50	<0.001
	Assistant activity		<0.001
Few	25(25.00)	11(5.82)
Some	37(37.00)	57(30.16)
Daily	38(38.00)	121(64.02)
Impaired nutritional intake	51(51.00)	23(12.17)	<0.001
Uroclepsia	2.02±0.51	3.51±0.48	<0.001
Diabetes	43 (43.00)	54 (28.57)	<0.001
Stroke	52 (52.00)	32 (16.93)	<0.001