Summarise data
Describe hundreds of patient records with just a few numbers.
Used everywhere
DMFT scores, pocket depths, plaque indices — all rely on descriptive stats.
Report results
Every dental research paper starts with a descriptive statistics table.
Click a card to learn and try it.
How consistent or varied is your data?
Watch how a researcher analyses 5 patients step-by-step.
Normal data
Mean ± SD
e.g. Age: 34.5 ± 8.2 yrs
Skewed data
Median (IQR)
e.g. Pocket depth: 4 (3–6) mm
Categories
Frequency (%)
e.g. Smokers: 42 (34%)
| Variable | Mean ± SD | Median (IQR) |
|---|---|---|
| Age (years) | 34.5 ± 8.2 | — |
| Pocket Depth (mm) | — | 4 (3–6) |
| Plaque Index | 1.7 ± 0.5 | — |