Table 1.

Homogeneous groups

Patients		Intracorporeal	Extracorporeal
		n = 39	n = 33
Age (yr)	Median	74.5	74	NS
	Min-max	53-89	45-96
Gender	Male	24	20	NS
	Female	15	13
	Ratio M/F	1.6	1.5
Weight (kg)	Median	71	77	NS
	Min-max	50-90	51-120
Height (cm)	Median	165	167	NS
	Min-max	148-182	146-183
BMI (kg/m2)	Median	26.3	28.1	NS
	Min-max	20-37	19.9-37

BMI: Body mass index; M: Male; F: Female; NS: Not significant.