Table 5.
Percentage error (%) of optical properties (μa, μs’) and diffuse reflectance at 665nm, determined from the repeat diffuse reflectance spectroscopic measurements, assuming that the results obtained from transmittance spectroscopy in Table 1 are correct.
| Phantom | Wavelength-wise fit | Spectral fit | ||||
|---|---|---|---|---|---|---|
| μa | μs’ | Rd | μa | μs’ | Rd | |
| 1 | 32.3 | 32.6 | 0.5 | 20.8 | 7.5 | 4.0 |
| 2 | 20.0 | 41.1 | 6.7 | 29.4 | 10.3 | 8.2 |
| 3 | 17.6 | 18.9 | 0.3 | 17.6 | 26.5 | 9.1 |
| 4 | 35.6 | 57.9 | 50.1 | 0.0 | 6.1 | 2.9 |
| 5 | 14.2 | 18.0 | 1.2 | 2.2 | 33.9 | 10.4 |
| 6 | 24.7 | 20.6 | 13.7 | 8.4 | 17.1 | 7.3 |
| 7 | 31.3 | 31.9 | 44.7 | 8.7 | 27.8 | 14.3 |
| 8 | 6.7 | 8.4 | 0.9 | 3.2 | 20.1 | 10.7 |
| 9 | 5.7 | 1.5 | 8.1 | 0.9 | 10.4 | 3.7 |
| Average (stdev) | 20.9 (10.3) | 25.7 (16.2) | 14.0 (18.4) | 10.1 (9.7) | 17.7 (9.4) | 7.8 (3.6) |