Questions and Best Answers

Courses


Tag

 

 

          FEATURES

  CASE CONTROL STUDY

      COHORT STUDY

  1

        DIRECTION

Effect to cause.

Cause to effect.

  2

        START WITH

The disease.

People exposure to risk factor.

  3

            TESTS

Whether the suspected cause occurs more frequently in those with disease than without disease.

Whether disease occur more frequently in those exposed than those non-exposed.

  4

       HYPOTHESIS

Testing of a hypothesis.

Testing of precisely formulated hypothesis.

  5

           SUBJECT

Fewer number.

Large number.

  6

             TIME

Quick results.

Long follow up-delayed result.

  7

           DISEASE

Study of rare disease.

Study of common disease.

  8

          ESTIMATE

PR (Odds Ratio).

Incidence rates PR as well as AR.

  9

       INFORMATION

About disease only that is selected.

About more than one disease outcome.

 10

         EXPENSIVE

Relatively inexpensive.

Expensive.

 

;