Unmatch the pairs.What is the estimated odds ratio of cases when analyzing this study as an unmatched case-control study design? Use the information from a case-control study table. Exposure Status by Disease Status \[\begin{array} { | l | l | l } \hline \text { Pair no. } & \text { Cases } & \text { Controls } \\ \hline 1 & \text { Exposed } & \text { Unexposed } \\ \hline 2 & \text { Exposed } & \text { Exposed } \\ \hline 3 & \text { Unexposed } & \text { Exposed } \\ \hline 4 & \text { Exposed } & \text { Unexposed } \\ \hline 5 & \text { Exposed } & \text { Unexposed } \\ \hline 6 & \text { Unexposed } & \text { Exposed } \\ \hline 7 & \text { Exposed } & \text { Exposed } \\ \hline 8 & \text { Unexposed } & \text { Unexposed } \\ \hline 9 & \text { Exposed } & \text { Unexposed } \\ \hline 10 & \text { Unexposed } & \text { Unexposed } \\ \hline 11 & \text { Exposed } & \text { Exposed } \\ \hline 12 & \text { Unexposed } & \text { Exposed } \\ \hline 13 & \text { Exposed } & \text { Unexposed } \\ \hline 14 & \text { Enposed } & \text { Unexposed } \\ \hline 15 & \text { Exposed } & \text { Eed } \\ \hline \end{array}\]

A) 0.50 B) 0.67 C) 1.00 D) 2.00 E) 2.25 A) 0.50 B) 0.67 C) 1.00 D) 2.00 E) 2.25 E

Consider the following 2 × 2 table from a hypothetical cohort study.Calculate the relative risk of CVD comparing those with high fasting glucose (≥126 mg/dL) with those with normal fasting glucose (<126 mg/dL) \[\begin{array} { | l | c | c | c | } \hline \text { Serum fasting glucose } & \text { Developed CVD } & \text { Did not develop CVD } & \text { Total } \\ \hline \geq 126 \mathrm { mg } / \mathrm { dL } \text { (exposed) } & 125 & 325 & 450 \\ \hline < 126 \mathrm { mg } / \mathrm { dL } \text { (not exposed) } & 50 & 500 & 550 \\ \hline \text { Total } & 175 & 825 & 1000 \\ \hline \end{array}\]

A) 0.33 B) 0.75 C) 1.02 D) 3.08 E) 5.34 A) 0.33 B) 0.75 C) 1.02 D) 3.08 E) 5.34 D

Consider the following 2 × 2 table from a hypothetical cohort study.Calculate the incidence of cardiovascular disease (CVD) among the not exposed participants. \[\begin{array} { | l | c | c | c | } \hline \text { Serum fasting glucose } & \text { Developed CVD } & \text { Did not develop CVD } & \text { Total } \\ \hline \geq 126 \mathrm { mg } / \mathrm { dL } \text { (exposed) } & 125 & 325 & 450 \\ \hline < 126 \mathrm { mg } / \mathrm { dL } \text { (not exposed) } & 50 & 500 & 550 \\ \hline \text { Total } & 175 & 825 & 1000 \\ \hline \end{array}\]

A) 9 per 100 population B) 28 per 100 population C) 44 per 100 population D) 50 per 175 population E) 72 per 100 population A) 9 per 100 population B) 28 per 100 population C) 44 per 100 population D) 50 per 175 population E) 72 per 100 population

What is the estimated odds ratio of cases when analyzing this study as a matched case-control study design? Use the information from a case-control study table. Exposure Status by Disease Status \[\begin{array} { | l | l | l } \hline \text { Pair no. } & \text { Cases } & \text { Controls } \\ \hline 1 & \text { Exposed } & \text { Unexposed } \\ \hline 2 & \text { Exposed } & \text { Exposed } \\ \hline 3 & \text { Unexposed } & \text { Exposed } \\ \hline 4 & \text { Exposed } & \text { Unexposed } \\ \hline 5 & \text { Exposed } & \text { Unexposed } \\ \hline 6 & \text { Unexposed } & \text { Exposed } \\ \hline 7 & \text { Exposed } & \text { Exposed } \\ \hline 8 & \text { Unexposed } & \text { Unexposed } \\ \hline 9 & \text { Exposed } & \text { Unexposed } \\ \hline 10 & \text { Unexposed } & \text { Unexposed } \\ \hline 11 & \text { Exposed } & \text { Exposed } \\ \hline 12 & \text { Unexposed } & \text { Exposed } \\ \hline 13 & \text { Exposed } & \text { Unexposed } \\ \hline 14 & \text { Enposed } & \text { Unexposed } \\ \hline 15 & \text { Exposed } & \text { Eed } \\ \hline \end{array}\]

A) 0.50 B) 0.67 C) 1.00 D) 2.00 E) 2.25 A) 0.50 B) 0.67 C) 1.00 D) 2.00 E) 2.25

Unmatch the pairs.What are the estimated odds of exposure in controls when analyzing this study as an unmatched case-control study design? Use the information from a case-control study table. Exposure Status by Disease Status \[\begin{array} { | l | l | l| l } \hline \text { Pair no. } & \text { Cases } & \text { Controls } \\ \hline 1 & \text { Exposed } & \text { Unexposed } \\ \hline 2 & \text { Exposed } & \text { Exposed } \\ \hline 3 & \text { Unexposed } & \text { Exposed } \\ \hline 4 & \text { Exposed } & \text { Unexposed } \\ \hline 5 & \text { Exposed } & \text { Unexposed } \\ \hline 6 & \text { Unexposed } & \text { Exposed } \\ \hline 7 & \text { Exposed } & \text { Exposed } \\ \hline 8 & \text { Unexposed } & \text { Unexposed } \\ \hline 9 & \text { Exposed } & \text { Unexposed } \\ \hline 10 & \text { Unexposed } & \text { Unexposed } \\ \hline 11 & \text { Exposed } & \text { Exposed } \\ \hline 12 & \text { Unexposed } & \text { Exposed } \\ \hline 13 & \text { Exposed } & \text { Unexposed } \\ \hline 14 & \text { Enposed } & \text { Unexposed } \\ \hline 15 & \text { Unexposed} & \text { Unexposed } \\ \hline \end{array}\]

A) 0.50 B) 0.67 C) 1.00 D) 2.00 E) 2.25 A) 0.50 B) 0.67 C) 1.00 D) 2.00 E) 2.25

The following table summarizes the findings of a cohort study.Participants were enrolled in January 1,2015,and followed up until December 31,2015.Researchers were interested in the effect of physical activity on cardiovascular disease. \[\begin{array} { | l | c | c | c | } \hline & \text { Cardiovascular events } & \text { No events } & \text { Total } \\ \hline \text { Physically active } & 28 & 1,972 & 2,000 \\ \hline \text { Inactive } & 75 & 2,925 & 3,000 \\ \hline \end{array}\] Based on the previous information,calculate the relative risk of cardiovascular events for those who were physically active.

A) 0.38 B) 0.56 C) 1.50 D) 1.79 E) 2.68 A) 0.38 B) 0.56 C) 1.50 D) 1.79 E) 2.68

The following table summarizes the findings of a cohort study.Participants were enrolled in January 1,2015,and followed up until December 31,2015.Researchers were interested in the effect of physical activity on cardiovascular disease. \[\begin{array} { | l | c | c | c | } \hline & \text { Cardiovascular events } & \text { No events } & \text { Total } \\ \hline \text { Physically active } & 28 & 1,972 & 2,000 \\ \hline \text { Inactive } & 75 & 2,925 & 3,000 \\ \hline \end{array}\] Based on the previous information,calculate the incidence per 1,000 per year of cardiovascular events among those who were categorized as physically active.

A) 14/1,000 per year B) 25/1,000 per year C) 28/1,000 per year D) 75/1,000 per year E) 99/1,000 per year A) 14/1,000 per year B) 25/1,000 per year C) 28/1,000 per year D) 75/1,000 per year E) 99/1,000 per year