Table 1. Optical properties from repeated measurements on human tissue at different wavelengths for SD and CWC methods. Values are reported as means, standard deviations (std), and coefficients of variation (CV).
| µa | µs′ | ||||
|---|---|---|---|---|---|
| Mean ± std (mm-1) | CV (%) | Mean ± std (mm-1) | CV (%) | ||
| 685 nm | SD | 0.0055 ± 0.0005 | 9.7 | 0.67 ± 0.02 | 2.3 |
| CWC | 0.0055 ± 0.0004 | 7.8 | 0.56 ± 0.01 | 2.4 | |
| 852 nm | SD | 0.0064 ± 0.0003 | 4.3 | 0.53 ± 0.01 | 1.0 |
| CWC | 0.0067 ± 0.0001 | 1.1 | 0.433 ± 0.004 | 0.8 | |
| 915 nm | SD | 0.0068 ± 0.0004 | 6.0 | 0.61 ± 0.01 | 1.3 |
| CWC | 0.0068 ± 0.0002 | 3.3 | 0.510 ± 0.004 | 0.8 | |
| 980 nm | SD | 0.0137 ± 0.0003 | 2.4 | 0.52 ± 0.01 | 1.1 |
| CWC | 0.0147 ± 0.0002 | 1.7 | 0.423 ± 0.002 | 0.6 | |