Consultations in the year before diagnosis
| Consultations | Cases, median number (IQR) | Controls, median number (IQR) | Rank sum test P-value |
|---|---|---|---|
| In the year before the index date | 14 (9 to 21), (n = 2732) | 8 (4 to 14), (n = 9537) | <0.001 |
| In the 6 months before the index date | 9 (6 to 14), (n = 2732) | 4 (2 to 8), (n = 8614) | <0.001 |
IQR = interquartile range.