Table 4.

ABD units in the study groups: the number and percentage of patients giving 0, 2, 3, 4 or 5 ABD units

			Groups
			1	2–3
ABD unit nº	0.00	N	0	1
		%	0	1.0
	2.00	N	15	12
		%	13.4	12.2
	3.00	N	55	36
		%	49.1	36.7
	4.00	N	40	31
		%	35.7	31.6
	5.00	N	2	18
		%	1.8	18.4
Total		N	114	136
		%	100.0	100.0