Perforin Expression in Peripheral Blood Lymphatic Cells of Patients Subjected to Laparoscopic or Open Cholecystectomy

Table 1

Demographic and surgery-related data in patient groups for classic and laparoscopic cholecystectomy.

	Classic cholecystectomy	P	Laparoscopic cholecystectomy
Number of patients	23	—	21
Ratio Female/male	13/10	—	13/8
Age-mean   (min-max)	61.8 (31–85)	0.23 n.s.	55.5 (28–82)
Duration of anesthesia (min)	90 (74–130)	0.38 n.s.	120 (90–150)
Duration of operation (min)	65 (35–120)	0.45 n.s.	90 (40–150)