Q. 3 We are given the following data for a city: Population of the city on March 30, 2020 = 183,000 Number of new active cases of TB occurring between January 1 and June 30, 2020 26 Number of active TB cases according to the city register on January 1, 2020 = 264 Find the (i) Cumulative incidence of active cases of TB for the 6-month period; (ii) Prevalence of active TB as of June 30, 2020.

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Q. 3 We are given the following data for a city:
Population of the city on March 30, 2020 = 183,000
Number of new active cases of TB occurring between January 1 and
June 30, 2020 26
Number of active TB cases according to the city register on January 1,
2020 = 264
Find the
() Cumulative incidence of active cases of TB for the 6-month period;
(ii) Prevalence of active TB as of June 30, 2020.
Q. 4 Investigators enrolled 100 diabetics without eye disease in a follow-up
study. The results of the first 3 years were as follows:
Year 1:0 cases of eye disease detected out of 92; 8 lost to follow-up
Year 2: 2 new cases of eye disease detected out of 80; 2 had died; 10 lost to
follow-up
Year 3: 3 new cases of eye disease detected out of 63; 2 more had died; 13
more lost to follow-up.
Find the person-time incidence rate.
Transcribed Image Text:Q. 3 We are given the following data for a city: Population of the city on March 30, 2020 = 183,000 Number of new active cases of TB occurring between January 1 and June 30, 2020 26 Number of active TB cases according to the city register on January 1, 2020 = 264 Find the () Cumulative incidence of active cases of TB for the 6-month period; (ii) Prevalence of active TB as of June 30, 2020. Q. 4 Investigators enrolled 100 diabetics without eye disease in a follow-up study. The results of the first 3 years were as follows: Year 1:0 cases of eye disease detected out of 92; 8 lost to follow-up Year 2: 2 new cases of eye disease detected out of 80; 2 had died; 10 lost to follow-up Year 3: 3 new cases of eye disease detected out of 63; 2 more had died; 13 more lost to follow-up. Find the person-time incidence rate.
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