A study looked at the effects of oral contraceptive (OC) use on heart disease in women 40 to 44 years of age. It found t
Posted: Tue Jul 05, 2022 9:20 am
A study looked at the effects of oral contraceptive (OC) use on heart disease in women 40 to 44 years of age. It found that among 5,000 OC users at the baseline, 13 women developed a myocardial infarction (MI) over a 3-year period, whereas among 10,000 non-OC users, 7 developed an MI over a 3-year period. Then the risk ratio between OC users and non-OC users is about: Select one: O 0.27 O 0.0019 O 1.86 O 3.71