Multivariate Analysis — Flashcards

Flashcard 1: _____ is also called as post-test probability of a disease/ precision rate

Answer: PPV

Flashcard 2: Method for comparison of a new test with an available gold standard test (for quantitative data) is the _____ method

Answer: Bland-Altman plot

Extra: The **Bland-Altman plot** is used to assess the **agreement** between two methods of measurement. Correlation (e.g., Pearson's r) measures the strength of a linear relationship, but not agreement (two methods can be perfectly correlated but give consistently different results).

Flashcard 3: _____ that involves combining results from multiple studies on a given topic.

Answer: Meta-analysis

Flashcard 4: Nominal and ordinal scale data represent _____ type of data scales

Answer: qualitative (qualitative/quantitative)

Flashcard 5: Calculating survival rate: (Total number of patients alive after 5 yrs /Total number of patients diagnosed or treated) x _____

Answer: 100

Flashcard 6: Interval and ratio scale data represent _____ type of data scales

Answer: quantitative (qualitative/quantitative)

Flashcard 7: _____ analysis is done to include the dropouts of the trial in RCT

Answer: Intention-to-treat (ITT)

Flashcard 8: What type of distribution is this? _____

Answer: Normal

Flashcard 9: What type of distribution is this? _____

Answer: Negative/Left

Flashcard 10: What type of distribution is this? _____

Answer: Positive/Right