Common Stat Tests in Prognostic Studies Flashcards
What are the 3 most commonly used prognostic statistical tests?
Correlation, regression, and relative measures
What does correlation stat tests do?
Relationship only, not prediction
What does regression stat tests do?
Prediction based upon relationship
Examples of regression stat tests
Simple linear, multiple linear, and logistic
Examples of relative measures
Odds and risk ratios
What types of variables have a correlation relationship?
Continuous and ordinal
r= 1.00 describes…
a perfect positive correlation
r=-1.00 describes…
a perfect negative correlation
Example of a positive correlation
As endurance increases, quality of life does too
Example of a negative correlation
As swelling increases, ROM decreases