Table 3.

Preoperative endocrine parameters (24-hour hormones in urine)

Hormones	Laparoscopic	Open	P-value
	surgery	surgery	value
	N = 7	N = 9
Noradrenalin (nmol)	2000 (444–3819)	1922 (579–7492)	ns
Adrenalin (nmol)	440 (75–870)	570 (180–1795)	ns
Vanillylmandelic	86 (22–121)	72 (30–100)	ns
acid (μmol)

Values expressed as median (range) ns – not significant.