Example of a stratified table showing characteristics of people by lung cancer status in a small data set (n=32)
| Lung cancer | No | Yes | |
| Years spent smoking | Median (IQR) | 15.7 (14.8–19.1) | 22.8 (21.4–29.6) |
| Body mass index category | Underweight or normal | 12 (66.7) | 7 (50.0) |
| Overweight or obese | 6 (33.3) | 7 (50.0) |