Table 3.

Outcomes for laparoscopic and open patient groups by year of study. For simplicity, totals for each group omitted from table

	2002–2003		2003–2004		2004–2005		2005–2006		2006–2007		2007–2008		2008–2009		2009–2010		2010–2011		2011–2012		Total
	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%	n	%
30-day mortality rate
Lap
Dead	1	0.7	0	0.0	9	1.8	28	2.6	39	2.2	50	1.7	77	1.7	101	1.8	80	1.2	85	1.2	470	1.5
Alive	133	99.3	230	100.0	501	98.2	1042	97.4	1720	97.8	2850	98.3	4532	98.3	5620	98.2	6669	98.8	7306	98.8	30,603	98.5
Open
Dead	447	3.7	379	3.2	395	3.4	354	2.9	317	2.8	303	2.8	273	2.8	218	2.5	199	2.4	127	1.8	3012	2.9
Alive	11,635	96.3	11,337	96.8	11,208	96.6	11,703	97.1	11,020	97.2	10,476	97.2	9580	97.2	8485	97.5	8159	97.6	7025	98.2	100,628	97.1
Median LOS (days)
Lap	11		10		9		8		8		7		7		7		6		6		7
Open	12		12		12		11		10		10		9		9		9		8		11
FTR-S intervention
Lap
Re-intervention	6	4.5	14	6.1	30	5.9	48	4.5	86	4.9	152	5.2	237	5.1	298	5.2	315	4.7	337	4.6	1523	4.9
None	128	95.5	216	93.9	480	94.1	1022	95.5	1673	95.1	2748	94.8	4372	94.9	5423	94.8	6434	95.3	7054	95.4	29,550	95.1
Open
Re-intervention	466	3.9	462	3.9	466	4.0	477	4.0	445	3.9	412	3.8	449	4.6	404	4.6	446	5.3	354	4.9	4381	4.2
None	11,616	96.1	11,254	96.1	11,137	96.0	11,580	96.0	10,892	96.1	10,367	96.2	9404	95.4	8299	95.4	7912	94.7	6798	95.1	99,259	95.8
FTR-S mortality
Lap
Dead	1	16.7	0	0.0	1	3.3	9	18.8	9	10.5	15	9.9	14	5.9	28	9.4	22	7.0	13	3.9	112	7.4
Alive	5	83.3	14	100.0	29	96.7	39	81.3	77	89.5	137	90.1	223	94.1	270	90.6	293	93.0	324	96.1	1411	92.6
Open
Dead	83	17.8	65	14.1	66	14.2	62	13.0	57	12.8	58	14.1	72	16.0	39	9.7	43	9.6	27	7.6	572	13.1
Alive	383	82.2	397	85.9	400	85.8	415	87.0	388	87.2	354	85.9	377	84.0	365	90.3	403	90.4	327	92.4	3809	86.9

Lap laparoscopic, LOS length of stay, FTR-S failure to rescue-surgical