Percent
T. gondii positive |
Age (yrs) |
|
|
|
|
|
|
|
|
|
|
|
| |
18-20 |
21-25 |
26-30 |
31-35 |
36-40 |
41-45 |
46-50 |
51-55 |
56-60 |
61-65 |
66-70 |
71-75 |
| 100 |
|
|
|
|
|
|
|
|
|
|
|
100 |
| 80 |
|
|
|
|
|
|
|
|
80 |
|
80 |
|
| 60 |
|
|
|
|
|
|
58 |
58 |
|
60 |
|
|
| 40 |
|
35 |
32 |
40 |
39 |
38 |
|
|
|
|
|
|
| 20 |
19 |
|
|
|
|
|
|
|
|
|
|
|
| 0 |
|
|
|
|
|
|
|
|
|
|
|
|
In the control individuals 45 yrs old or younger recruited from the same geographical region as the psychiatric patients admitted to the hospital, serofrequency of T. gondii infection ranged between 20 and 40% without any systematic age effect, whereas in the individuals older than 45 yrs serofrequency systematically increased with age from about 40% to almost 100% [45] |
