Table 1.

Currently available randomized controlled trials on pylorus-preserving vs. classical Whipple resection.

Author [Ref.]	Year	RCT	N	DGE	QoL
Paquet [97]	1998	+	pp 17	35.3%	NR
			cl 23	4.3%
Wenger [95]	1999	+	pp 24	NR	pp > cl
			cl 24		(in several items)
Bloechle [96]	1999	+	pp 23	34.8%	pp > cl
			cl 21	9.5%	(in several items)
Tran [98]	2004	+	pp 85	22.4%	NR
			cl 80	22.5%
Lin [99]	2005	+	pp 14	42.9%	NR
			cl 19	0%
Seiler [97]	2005	+	pp 64	31.1%	n.s.
			cl 67	45.5%