Table 5.
Paired t-tests of fixative effects across 3 time points, fresh, fixed 1 minute, and fixed 24 hours.
| Parameters | Mean differences | p-value | Normalized mean differences (%) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Fresh-Fix 1 min | Fresh-Fix 24 hrs | Fix 1 min-Fix 24 hrs | Fresh-Fix 1 min | Fresh-Fix 24 hrs | Fix 1 min-Fix 24 hrs | Fresh-Fix 1 min | Fresh-Fix 24 hrs | Fix 1 min-Fix 24 hrs | ||
| Posterior pole containing optic nerve head | Area (mm2) | 0.09 | −2.35* | −2.44* | 0.7778 | 0.0002* | 0.0014* | 0.1 | −2.4* | −2.5* |
| Scleral canal | Area (mm2) | −0.08 | −0.20 | −0.13* | 0.1931 | 0.0058 | 0.0050* | −1.6 | −4.1 | −2.6* |
| NT diameter (mm) | −0.01 | −0.07* | −0.06 | 0.5220 | 0.0051* | 0.0136 | −0.2 | −2.1* | −1.9 | |
*Significant level p = 0.0056.