Today is our topic of discussion Bio-statistics
Bio statistics
Bio-statistics:
io-statistics is a special branch of statistics which deals with different types of data pertaining to biological sciences. Example – measurement of crude birth rate, crude death rate, infant mortality rate, maternal mortality ratio etc.
Uses and functions of bio-statistics:
In Community Medicine and Public Health:
1. To provide assessment of the status of health in the community and to determine the unmet health needs of the community.
2. To test efficacy and safety of vaccines in the community
In Clinical Medicine:
1. To compare the efficacy and safety of a new drug or new line of treatment, percentage of patients cured, relieved or died in the experiment and control group.
2. To find an association between two attributes, e.g. overweight and blood pressure.
In Physiology and Bio-chemistry:
1. To define what is normal or healthy in a population and to find range of normality in variables such as weight, height, blood pressure etc.
2. To find out difference between means and proportions of normal at two places.
In Paediatrics:
To measure underweight, wasting, stunting, study of growth of children etc.
E. Research:
Most of the advancement of the knowledge has taken place because of experiments conducted with the help of statistical methods.
Medical statistics:
Medical statistics deals with applications of statistics to medicine and the health sciences, including epidemiology, public health, forensic medicine, and clinical research.
Health statistics:
Health statistics incorporate a variety of data types, such as vital statistics, morbidity & mortality statistics.
Vital statistics
Definition:
Vital statistics deals with data on vital events in human life, such as births, death, sickness, marriage, migration, divorce, adoption, legitimation and legal separation.
Use of vital statistics:
1. To describe health status of a community
2. To diagnose health problems of a community.
3. To determine priorities, planning and evaluation of health programme
4. To promote health legislation
5. For research purpose
See also :
1 thought on “Bio statistics”