⏱️ Clinic follow-up (time to relapse, 200 patients)
A synthetic follow-up study: 200 patients on standard or new treatment, followed for up to 36 months; the event is relapse, and patients still well at their last visit are censored. 200 cases, 6 variables. Field: health · level: advanced.
Open in StatLab Download: CSV · Excel (.xlsx, with codebook sheet) · SPSS (.sav, with labels)
What does each variable mean? (codebook)
| Variable | Label | Measure | Value labels | Values |
|---|---|---|---|---|
id | Patient ID | scale | 1–200, mean 100.50 | |
treatment | Treatment | nominal | 1 = Standard, 2 = New | 2 categories |
age | Age at start (years) | scale | 30–75, mean 52.63 | |
stage | Disease stage | ordinal | 1 = Stage I, 2 = Stage II, 3 = Stage III | 3 categories |
months | Months to relapse or last visit | scale | 0–35.5, mean 13.48 | |
relapse | Relapse | nominal | 0 = Censored (no relapse), 1 = Relapse | 2 categories |
Which analyses suit this dataset?
- Kaplan-Meier survival curves by treatment with the log-rank test
- Life table with 6-month intervals
- Cox regression of relapse on treatment, age and stage
Licence
Synthetic data produced by a seeded random process for teaching (no real people or organisations). Released under CC0 1.0 (public domain dedication) by Jupiter2u — free to use, share and adapt.