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. Author manuscript; available in PMC: 2014 Sep 25.
Published in final edited form as: J Am Coll Cardiol. 2013 Oct 23;63(5):434–443. doi: 10.1016/j.jacc.2013.08.1640

Table 2.

CHD and CVD event rates per 1000 person-years and 5-year NNT for each of the polypill studies. The NNTs were calculated directly as the reciprocal of the absolute risk difference at the median follow up of 7.6 years and subsequently adjusted to a 5-year period.

TIPS Poly-Iran Wald PILL Collaboration
CAC = 0 CAC 1-100 CAC >100 CAC = 0 CAC 1-100 CAC >100 CAC = 0 CAC: 1-100 CAC >100 CAC = 0 CAC 1-100 CAC >100
N (%) 1312 (58.6%) 581 (26%) 345 (15.4%) 1241 (54.5%) 628 (27.6%) 409 (17.9%) 1718 (38.9%) 1324 (30%) 1374 (31.1%) 1596 (40.8%) 1161 (29.7%) 1154 (29.5%)
CHD events(%) 11 (0.8%) 19 (3.3%) 31 (9.0%) 12 (1.0%) 18 (2.9%) 33 (8.1%) 23 (1.3%) 46 (3.5%) 106 (7.7%) 19 (1.2%) 44 (3.8%) 96 (8.3%)
CHD event rate (1000 pr-yrs) 1.2 4.6 13.3 1.3 4.1 12.0 1.9 5.1 11.6 1.7 5.5 12.5
CVD events(%) 23 (1.8%) 25 (4.3%) 42 (12.2%) 22 (1.8%) 26 (4.1%) 43 (10.5%) 45 (2.6%) 75 (5.7%) 148 (10.8%) 45 (2.8%) 67 (5.8%) 130 (11.3%)
CVD event rate (1000 pr-yrs) 2.5 6.1 18.4 2.5 6.0 15.8 3.7 8.3 16.5 4.0 8.5 17.2