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| Parameter | Retinal Change (Grade) |
Total | P | ||||
|---|---|---|---|---|---|---|---|
| G0 | G1 | G2 | G3 | G4 | |||
| Age (years) | |||||||
| 20~30 | 7 | 8 | 4 | 2 | 1 | 22 | 0.46 |
| 30~40 | 6 | 8 | 3 | 2 | 1 | 20 | |
| >40 | 1 | 1 | 1 | 0 | 0 | 3 | |
| Blood pressure (mmHg) | |||||||
| SBP<150, DBP<100 | 8 | 7 | 3 | 1 | 1 | 20 | 0.001 |
| SBP>150, DBP>100 | 6 | 10 | 5 | 3 | 1 | 25 | |
| AT1-AA titer | |||||||
| <1:40 | 8 | 8 | 3 | 0 | 0 | 19 | 0.014 |
| >1:40 | 3 | 2 | 2 | 0 | 0 | 7 | |
| >1:160 | 2 | 4 | 1 | 2 | 1 | 10 | |
| >1:640 | 1 | 3 | 2 | 2 | 1 | 9 | |
