| Sinusitis or infection of frontal sinus | 6 | 5 | P < 0.0001 s |
| Infections of urinary tracts | 4 | 9 | P < 0.0001 s |
| Other infections | 0 | 4 |
|
| Diseases of the liver or of the kidneys | 2 | 0 |
|
| Neurological disorders | 11 | 2 |
|
| Mental illnesses | 4 | 0 |
|
| Cancer | 7 | 0* |
|
| Hormonal diseases | 16 | 2 |
|
| Blood diseases | 4 | 0 |
|
| Accidents | 19 | 4 |
|
| Gastric or intestinal ulcer | 2 | 0 |
|
| Mole fever | 1 | 0 |
|
| Reactions from local anaesthetic | 6 | 0 |
|