Table 8. Spearman’s correlation coefficient (P-value) for the correlation between filtering bleb morphology and ocular surface parameters.
| Vascularity | Corkscrew vessels | Encapsulation | Microcysts | Bleb height | |
|---|---|---|---|---|---|
| TFBUT | 0.157 (0.194) | 0.072 (0.555) | -0.111 (0.362) | -0.196 (0.104) | -0.299 (0.012)Δ |
| Schirmer’s tear test | 0.076 (0.531) | 0.011 (0.931) | -0.189 (0.117) | 0.015 (0.903) | 0.128 (0.290) |
| Corneal staining | -0.219 (0.068) | -0.230 (0.056) | 0.021 (0.863) | 0.270 (0.024)Δ | 0.275 (0.021)Δ |
| Meibomian gland obstruction | 0.030 (0.807) | -0.006 (0.961) | 0.106 (0.384) | -0.058 (0.633) | -0.131 (0.279) |
| DED | -0.171 (0.158) | -0.178 (0.141) | 0.018 (0.879) | 0.247 (0.039)Δ | 0.307 (0.010)Δ |
TFBUT, tear film break-up time test; DED, dry eye disease.
ΔStatistical significance (P < 0.05)