List of top Social And Preventive Medicine Questions on Biostatistics

In a screening test for DM out of 1000 population, 90 were positive. Then the gold standard test was done in which 100 were positive. Calculate the sensitivity?

Risk among exposed to risk among non exposed is defined to be

Paired T test is defined as

Best representative of incidence of disease in different timeline

For trench type of sanitary filling the amount of land required for 2 meter deep trench for 10000 population is

Risk of genetic diseases in consanguineous marriage between first cousins?

Cross product ratio is determined by which study ?

In a normal curve what is the area that comes under 1 standard deviation :

Confounding factor is defined as :

The significance of difference between proportions can also be tested by :

Admission rate bias is :

CA-125 is a marker for the screening of ovarian cancer. To characterize this test, histopathological confirmation of ovarian cancer was done in a cohort of patients. 60/100 women who tested positive for this test had ovarian cancer and 20/100 women who tested negative had ovarian cancer. What is the negative predictive value of this test?

The variation in data is compared with another data set by:

In which of the following methods of management is the benefit measured in natural units?

The difference between the incidence in the exposed and non-exposed group is best given by:

If one variable is given then you can find another variable by

A study was done to assess malnutrition among young children. 100 children were selected each from rural and urban areas. Out of these, 30 among rural and 20 among urban were found to be malnourished. which of the following statistical test is used to compare the data sets?

A study had a normal distribution with the median value as 200 and standard deviation 20.68% will fall between