Table 4.

Multivariate analysis on morphine consumption and PCA pushes

	Dexamethasone	Intervention	Surgery type
	r (p-value)	r (p-value)	r (p-value)
Morphine equivalents—24 h	− 0.086 (0.086)	0.0039 (0.936)	0.0425 (0.375)
Erogated PCA pushes—24 h	0.011 (0.866)	0.102 (0.111)	− 0.080 (0.212)
Attempted PCA pushes—24 h	− 0.095 (0.054)	0.096 (0.046)	− 0.304 (< 0.001)

Regression coefficients (p values)