Epidemiology Indian Medical PG Flashcards - Medical Study Cards
Master Epidemiology with OnCourse flashcards. These spaced repetition flashcards are designed for medical students preparing for NEET PG, USMLE Step 1, USMLE Step 2, MBBS exams, and other medical licensing examinations.
Epidemiology Flashcard Deck - 10 Cards
Flashcard 111: Formula for Secondary Attack Rate (SAR)
Answer: SAR = (Number of exposed persons developing the disease within the incubation period / Total number of exposed susceptible contacts) × 100
*Note: Primary case is excluded from both the numerator and the denominator.*
Extra: Secondary Attack Rate (SAR) is used to measure the infectivity or communicability of an infectious disease. It helps in identifying the efficacy of control measures and the spread of disease within a closed group (e.g., household).
Flashcard 112: The _____ is a major source of mortality indicators in India.
Answer: Sample Registration System (SRS)
Extra: The Sample Registration System (SRS) is a dual-record system in India that provides reliable annual estimates of birth rate, death rate, and other fertility and mortality indicators (like IMR and MMR).
Flashcard 113: index case is _____
Answer: 1st case identified in a community
Extra:
Flashcard 114: _____ is most important for assessing causality
Answer: Evidence-based medicine
Flashcard 115: Uncontrolled trials are used for _____
Answer: assessing public health interventions
Flashcard 116: What is the formula for calculating the **Odds Ratio (OR)** using a standard 2x2 contingency table?
Answer: \(OR = \frac{\text{Odds of exposure in cases}}{\text{Odds of exposure in controls}} = \frac{a/c}{b/d} = \frac{ad}{bc}\)
i.e. the odds of a certain exposure given an event (e.g. disease; a/c) vs the odds of exposure in the absence of that event (e.g. no disease; b/d)
Flashcard 117: national family health survey(NFHS) is conducted every _____ time
Answer: 5 years
Extra:
Flashcard 118: S in Integrated Disease Surveillance Programme (IDSP) stands for _____
Answer: syndromic surveillance
Flashcard 119: Grade 2 disability (G2D) among new cases of leprosy is _____%
Answer: 3.61
Extra: According to NLEP 2017-18 data, the proportion of Grade 2 Disability (G2D) among new cases was 3.61%.
For the same period:
- G2D rate per million population: 3.34
- Total new cases: 1,26,164
Flashcard 120: 5ce54378cee641398d486f0bc8c03a91-ao-6
Answer: negative predictive value
Extra: formulas of
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