Table 1.

Matched cohort size by follow-up years before and after the index date

	Years, before and after index date
Cohort	−10	−9	−8	−7	−6	−5	−4	−3	−2	−1	1	2	3	4	5	6	7	8	9	10
2003	0	0	0	0	0	0	0	0	3,922	3,922	3,922	3,922	3,922	3,922	3,922	3,922	3,922	3,922	3,922	3,922
2004	0	0	0	0	0	0	0	4,080	4,080	4,080	4,080	4,080	4,080	4,080	4,080	4,080	4,080	4,080	4,080	0
2005	0	0	0	0	0	0	4,218	4,218	4,218	4,218	4,218	4,218	4,218	4,218	4,218	4,218	4,218	4,218	0	0
2006	0	0	0	0	0	4,704	4,704	4,704	4,704	4,704	4,704	4,704	4,704	4,704	4,704	4,704	4,704	0	0	0
2007	0	0	0	0	4,782	4,782	4,782	4,782	4,782	4,782	4,782	4,782	4,782	4,782	4,782	4,782	0	0	0	0
2008	0	0	0	4,494	4,494	4,494	4,494	4,494	4,494	4,494	4,494	4,494	4,494	4,494	4,494	0	0	0	0	0
2009	0	0	4,844	4,844	4,844	4,844	4,844	4,844	4,844	4,844	4,844	4,844	4,844	4,844	0	0	0	0	0	0
2010	0	4,428	4,428	4,428	4,428	4,428	4,428	4,428	4,428	4,428	4,428	4,428	4,428	0	0	0	0	0	0	0
2011	4,254	4,254	4,254	4,254	4,254	4,254	4,254	4,254	4,254	4,254	4,254	4,254	0	0	0	0	0	0	0	0
Total	4,254	8,682	13,526	18,020	22,802	27,506	31,724	35,804	39,726	39,726	39,726	39,726	35,472	31,044	26,200	21,706	16,924	12,220	8,002	3,922

In 2001, a total of 245,049 adults met the inclusion criteria.