Table 4.

¹Mastectomies and¹Quadrantectomies performed on repeated admissions between 2001 and 2008

Re-interventions (n) in the same patient	2001	2002	2003	2004	2005	2006	2007	2008	AAPC (95%CI)2
1 re-intervention in the same year	3268	3243	3241	3039	2950	2667	2347	1796	−6.8 (−7.3; -6.3)
2 re-interventions in the same year	1387	1981	2419	2834	3092	3484	3560	3794	+12.9 (12.2; 13.5)
3 re-interventions in the same year	27	56	132	166	220	240	290	295	+27.5 (24.4; 30.7)
>3 re-interventions in the same year	0	0	7	3	17	16	15	24	+45.9 (29.9; 63.9)
Total Re-interventions	4682	5280	5799	6042	6279	6407	6212	5909	+3.2 (2.8; 3.6)

Data is presented by categories defined upon the number of repeat major breast surgeries within a year.

¹Reported data are absolute numbers unless otherwise specified.

²AAPC: Average Annual Percentage Change (with 95% Confidence Interval, CI).