# AIIMS Community Medicine Syllabus – Part II

• 2.    BIOSTATISTICS

Objectives

At the end of the course the student should be able to:

1. Define, calculate and interpret commonly used statistical methods.
2. Select and use appropriate diagrammatic representations of statistical data.
 3. Define probability. 4. Define normal distribution. 5. Define bias, random error. 6. Describe methods of sampling and calculate sample size. 7. Carry out random and cluster sampling. 8. Describe the demographic pattern of the country. 9. Define vital statistics, describe their method of collection. 10. Describe the sources of data and their merits for use and census in India. Contents

• Need of Bio-statistics in Medicine
• Statistical Methods
• Frequency Distribution
• Measures of Central Tendency.
• Proportions
• Tabular & diagrammatic presentation of data probability
• Normal Distribution
• Standard error estimation
• Tests of Significance
• Alpha, Beta error
• Confidence Interval
• Bias/Random errors
• Sample size calculation
• Sampling methods
• Practical exercise in – random sampling – cluster sampling (EPI) Vital Statistics, census
• Demography
1. 3.   EPIDEMIOLOGY

Objectives

At the end of the course, student should be able to:

1. Define measures of morbidity/mortality.
2. List and describe the sources of epidemiological data.
3. Describe, with suitable examples, Bradford Hills’ criteria of causation.
4. Describe and illustrate natural history of a disease with suitable examples (communicable and non- communicable).
5. Collect relevant clinical, psychosocial information from a patient and family, analyze and present to illustrate the natural history of a common disorder.
6. Advise relevant (psychosocial, cultural and economic context) promotive, preventive, curative and rehabilitative measures for the disorder.
7. Describe the need and uses of screening tests.
8. Differentiate between screening and diagnostic tests.
9. Calculate the sensitivity, specificity, positive predictive value of tests given a set of data.
10. Describe the various types of epidemiological study designs, their application, biases, statistical analyses, relative merits and demerits.

Contents

• Definitions, scope in hospital, community, planning
• Measures of Morbidity/Mortality
• Rates: Incidence, Prevalence

–          Death rate

–           Crude rates/standardized rates

–          Fertility Rates Years

–          Person Years

–          Ratio

–          Proportions

–          Risk

–           Sources of epidemiological data

–           Causation

–          Natural history of disease for communicable and non-communicable diseases.

–          Levels of disease prevention

–           Clinico-psycho-social case review

–          Principles of control of communicable disease

–          Principles of control of non-communicable disease

–          Measurement

–           Screening Tests

–          Diagnostic Tests

–           Cross sectional and case studies

–          Longitudinal study

–           Case control study

–          Randomized Control Trials

1. 4.   NUTRITION

Objectives

At the end of the course the student should be able to:

1. Describe the nutrients (carbohydrates, proteins, fats, vitamins and minerals) and their dietary sources.
1. Describe the daily nutritional requirements for different ages, sexes, pregnant and lactating women.
2. Describe the deficiency disorders (both macro and micro nutrimental status).
3. Describe the features of Protein Energy Malnutrition.
4. Describe the various methods of measuring the nutritional status.
5. Assess the nutritional status of the community.
6. Define balanced diet.
7. Prescribe a balanced diet within the socio-cultural, and economic milieu for
• a pregnant/lactating/postpartum woman
• an under five child
1. Describe the management of PEM affected child in community.
2. Describe and prioritise the nutritional problems in India.
3. Describe the importance of salt fortification.
4. Describe the nutritional programmes in India.
5. Define food adulteration and describe the methods for detecting and controlling food adulteration. Contents
• Role of nutrition in health and disease
• Nutritional requirements and sources
• Balanced Diet
• Deficiency Disorders and Micronutrient Deficiencies
• Salt fortification
• Protein Energy Malnutrition
• Nutritional problems in India
• Nutritional programmes
• Assessment of nutritional status in community; Growth Charts.
• Practical exercise:- nutritional status assessment in community. Presentation