Table 1 Comparison between Kaplan–Meier curves and Lexis diagram
From: Exploring the usefulness of Lexis diagrams for quality improvement
Method | Data | Process changes | Level | Data variables | Statistical analysis | Data set size |
|---|---|---|---|---|---|---|
Kaplan–Meier | Aggregated data | Before- and after | Global | Single variable | Yes | Large |
Lexis diagram | Raw data | Followed over time | Local | Multiple variables | No | Small |