Table 1.
Analysis of spatial distribution of fluorescent pigments and ratio of fluorescence emission spectra.
| Variable | Healthy group mean | Diseased group mean | Degrees of freedom | P-value |
|---|---|---|---|---|
| Total area fluorescence (mm) | 44.00 | 37.00 | 29 | <0.01 |
| Number of intact polyps | 5.40 | 1.60 | 6 | <0.01 |
| Edge area (mm) | 5.80 | 8.00 | 30 | <0.01 |
| Number of patches | 3.17 | 4.82 | 32 | <0.05 |
| Area of patches* (mm) | 0.02 | 0.05 | — | >0.05 |
| Edge:area ratio | 0.14 | 0.25 | 22 | <0.01 |
| Cyan:red fluorescence ratio* | 0.00 | 0.05 | — | >0.05 |
| Cyan:red fluorescence ratio*† | 44.00 | 3.90 | — | >0.05 |
*Non-parametric Wilcoxon rank sum test. †Measurement taken using 10x objective (polyp scale).