Not re-admitted within 3 days Admitted within 30 days Total Urban 3,792 (A) 21,6
ID: 3011267 • Letter: N
Question
Not re-admitted within 3 days
Admitted within 30 days
Total
Urban
3,792 (A)
21,664-3,792= 17,872 (B)
32,998-11,334= 21,664
Rural
11,334- 9,428 = 1,906 (C)
9,428 (D)
11,334
Total
3,792+ 1,906 = 5,698
17,872 + 9.428= 27,300
N= 32,998
Calculate relative risk and odd ratio of the above information
Not re-admitted within 3 days
Admitted within 30 days
Total
Urban
3,792 (A)
21,664-3,792= 17,872 (B)
32,998-11,334= 21,664
Rural
11,334- 9,428 = 1,906 (C)
9,428 (D)
11,334
Total
3,792+ 1,906 = 5,698
17,872 + 9.428= 27,300
N= 32,998
Explanation / Answer
Relative Risk = (A*(C+D))/(C*(A+B)) = (3792*11334)/(1906*21664) = 1.041
Odd Ratio = (A*D)/(B*C) = (3792*9428)/(17872*1906) = 1.0495
Therefore, Relative Risk for the given information is 1.041 and Odd Ratio is 1.0495.
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