Table 5.
Pearson correlation coefficients between MBA and secondary endpoint measures
| Tearing | Blink rate | Fissure | Staining | Redness | TFBUT | IBI | |
|---|---|---|---|---|---|---|---|
| MBAI > 0.2 | 0.336 | 0.399 | 0.203 | −0.194 | 0.263 | −0.162 | −0.344 |
| (n = 35) | (P = 0.048) | (P = 0.0174) | (P = 0.242) | (P = 0.234) | (P = 0.127) | (P = 0.353) | (P = 0.043) |
| All subjects | 0.177 | 0.338 | 0.141 | 0.0169 | 0.183 | −0.151 | −0.341 |
| (n = 65) | (P = 0.159) | (P = 0.0059) | (P = 0.260) | (P = 0.894) | (P = 0.145) | (P = 0.230) | (P = 0.005) |
Note: Significant values (P<0.05) are shaded.
Abbreviations: MBA, mean break-up area; TFBUT, tear film break-up time; IBI, interblink interval; MBAI, initial mean break-up area.