NOSOCOMIAL INFECTION. Masud Yunesian, M.D., Epidemiologist. SURVEILLANCE METHODS. Definition. A dynamic process of gathering, managing, analyzing and reporting data on events that occur in a specific population. Importance : SENIC study:.
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4. Convincing medical staff.
5. Satisfying regulators.
6. Defending malpractice claims.
7. Comparing infection rates among hospitals.
lack of timeliness
less expensiveSurveillance methods-2
Hospital wide (H.W.S) during specified periods,
Numerator & Denominator
Total no. of admitted or discharged patients
Total no. of admitted or discharged pts.
No. of days of exposure :