Table 2. Histological grading of Picrosirius red staining in iris samples.
| Group | n | Median grading | Mean grading | Standard deviation | Mann–Whitney U 2-sided |
|---|---|---|---|---|---|
| PACG |
9 |
4 |
3.89 |
0.33 |
<0.001 |
| POAG |
16 |
2 |
2.7 |
0.52 |
<0.001 |
| DSAEK | 3 | 1 | 1 | 0 | <0.001 |
The differences in the mean grade between PACG and POAG, PACG and Control, and POAG and Control were significant (p<0.001). n denotes the number of patients in each group.