Correlation of Surgical Pleth Index with Stress Hormones during Propofol-Remifentanil Anaesthesia

Table 2

Demographic data.

	SPI (𝑛=40)	Control (𝑛=40)	P values
Age (years)	47 ± 17	46 ± 17	0.839
Height (cm)	173 ± 18	171 ± 93	0.657
Weight (Kg)	78 ± 12	75 ± 17	0.438
Gender-M/F (n)	13/27	21/19	0.254
ASA I/II (n)	18/22	19/21	1.000
Duration of anesthesia (min)	152 ± 67	173 ± 84	0.076
Duration of surgery (min)	109 ± 61	132 ± 81	0.108
Intubation to surgery beginning (min)	24 ± 8	25 ± 10	0.534

Values are mean ± SD or absolute numbers. No difference between groups.
SPI: the group in which remifentanil administration was guided by SPI.
Control: the group in which remifentanil administration was guided by standard traditional inadequate anaesthesia criteria.