Table 2. Summary of significant correlation analyses.
|
Study group |
Variables |
Correlation method |
Correlation coefficient |
p value |
|
POAG |
Age - Spermine |
Spearman’s rho |
0.324 |
0.020 |
|
EG |
Spermine - Spermidine |
Spearman’s rho |
0.463 |
0.002 |
|
POAG |
HPA grade - Age |
Kendall’s tau-b |
0.242 |
0.031 |
|
EG |
HPA grade - Spermidine |
Kendall’s tau-b |
-0.317 |
0.037 |
POAG: Primary open-angle glaucoma, EG: Exfoliation glaucoma, HPA: Hodapp-Parrish-Anderson; the modified grading system was used