Table 2.

Univariable analyses for factors associated with poor limb perfusion

	RR	95%CI	P value
Skin temperature of the affected limb			0.048
Like the healthy contralateral limb	1
Different from the healthy contralateral limb	2.181	(1.840, 2.585)
Skin color			< 0.001
1 = Red	1
2 = Dark red	2.889	(2.281, 3.659)
Range of motion of the affected limb			0.103
2 = Mildly restrained	1
3 = Restrained with numbness	2.164	(1.829, 2.561)

CI: Confidence interval; RR: Relative risk.