Table 4. - Bivariate and multivariate analysis according to the multiple logistic regression model of factors associated with immediate postoperative pain, Barcelona, Spain, 2011.

		OR*	95% CI	p
Bivariate analysis
	Age	0.962	0.940 – 0.985	<0.001
	General anesthesia	4.617	1.660 – 12.840	<0.05
	Combined anesthesia	1.619	0.545 – 4.808	<0.01
	Comorbidity: heart disease	3.043	1.332 – 6.953	<0.01
	Preoperative anxiety	4.592	1.382 – 15.262	<0.05
	Preoperative sweating	2.351	1.044 – 5.296	<0.05
Multivariate analysis
	Age	0.962	0.940 – 0.985	<0.001
	Preoperative anxiety	4.592	1.382 – 12.34	<0.05

^*Odds ratio