All Questions
11 questions
0
votes
1
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23
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What are the differences between PS-match and adjusted Cox regression?
This is more like an extension of the following question: Propensity Score Matching with Cox Regression
I am wondering what are the differences between these:
matching patients with PS and running ...
- 581
2
votes
1
answer
375
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Log-Rank Test After Optimal Pair Matching
I have clinical data and used optimal matching in the MatchIt package to match cases to controls on several variables. Matching was done in a 1:1 ratio, and balance was achieved.
I then did a Kaplan-...
- 275
0
votes
1
answer
261
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Log-Rank test with propensity score matched data
Let's assume that I have two groups that I would like to compare in terms of death rates. One group (group A) got a specific treatment and the other group (group B) did not get any treatment. I ...
user389026
2
votes
0
answers
226
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How to model an interaction in a propensity-score matched dataset
Suppose I am performing a propensity score matched analysis using the MatchIt package in R, following the example reported here: https://kosukeimai.github.io/...
- 706
1
vote
0
answers
191
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Choosing variables for propensity score matching
I'm working on a project dealing with transplants and comparing outcomes of first time (primary) transplants with re-transplants. I'm trying to decide which set of variables to include for propensity ...
- 11
0
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1
answer
158
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How to account for dependencies in survival analysis of PS-matched cohorts with replacement?
I work on data from a cohort study (n = 3100). We want to compare outcomes of individuals with a special condition (n = 300) and their matched controls.
I estimated propensity scores and used genetic ...
3
votes
2
answers
4k
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Propensity Score Matching with Cox Regression
I am conducting a survival analysis with a Cox regression whereby the outcome variable (promotion to a senior role) is either 0 or 1. I am particulalry interested in the hazard rate (i.e., the 'hazard'...
- 211
1
vote
2
answers
365
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How do I 'control for' between cases and controls in survival analysis?
I would appreciate some advice concerning the best practice for controlling covariates in KM curve survival analysis. Individuals suffer from headaches and individuals and are sub-grouped by ...
- 605
1
vote
0
answers
670
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matched cohort with 1:n pairs - correct stratified logistic model
In this hypothetical example we have access to a database. In it cases are people with children and controls are those without kids. We want to measure the association between having children and Lung ...
- 431
1
vote
0
answers
125
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Propensity Score Matching w/ 3 levels Rx
I'm trying to match consecutive patients by fitting a Propensity Score. The treatment has 3 levels (Controls, Treat_1, Treat_2). The "MatcheIt" package, is designed to work only with 2 levels ...
6
votes
1
answer
420
views
Proper way to match a reference population for survival analysis
I am performing survival analysis on a specific group under study containing thousands of individuals. I am looking for the best way to obtain a reference population from the total population (...
- 18.7k