Consider the Data Table Showing Epidemiology Data for 25 Individuals

Multiple Choice

Consider the data table showing epidemiology data for 25 individuals with a disease and 25 healthy comparison individuals. Their deaths are recorded over a period of 12 months.
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$\begin{array}{c}\underline { \text { Diseased } } \quad \quad \quad \quad \quad \quad \quad \quad\underline { \text { Healthy}}\\\begin{array}{cccc}\text { Time } & \text { \# at risk } & \text { Deaths } & \text { \# at risk } & \text { Deaths } \\2 & 25 & 1 & 25 & 2 \\4 & 24 & 3 & 23 & 5 \\6 & 21 & 1 & 18 & 4 \\8 & 20 & 2 & 13 & 3 \\10 & 18 & 0 & 10 & 1 \\12 & 18 & 1 & 9 & 2\end{array}\end{array}$
-What is the 95% confidence interval of the hazard ratio for the disease group relative to the healthy group?

A) From 0.169 to 0.821
B) From 0.212 to 1.110
C) From 0.256 to 1.377
D) From 0.270 to 1.308