Question

Calculate CDR for district A and B. 

Age group (in years)	District A		District B
	Population	No.of.Deaths	Population	No.of.Deaths
0 - 10	1000	18	3000	70
10 - 55	3000	32	7000	50
Above 55	2000	41	1000	24

Answer 1

CDR = `(sum "D"_"i")/(sum "P"_"i") xx 1000`

For District A 

`sum "D"_"i" = 18 + 32 + 41 = 91`

`sum "P"_"i" = 1000 + 3000 + 2000 = 6000`

∴ CDR for district A denoted by CDR_A Is, 

CDR_A = `(sum "D"_"i")/(sum "P"_"i") xx 1000`

`= 91/6000 xx 1000`

` = 91/6 = 15.166`  per thosand .

 

For District B 

`sum "D"_"i" = 70 + 50 + 24 = 144`

`sum "P"_"i" = 3000 + 7000 + 1000 = 11000`

CDR for district B denoted by CDR_B is ,

c= `(sum "D"_"i")/(sum "P"_"i") xx 1000`

`= 144/11000 xx 1000`

`= 144/11 = 13.09`  per thosand

Observe that district B is more healthy than district  A as CDR_B  < CDR_A .