Table 2.

Errors in extraction of phantom optical properties in the wavelengths range of 450 to 600 nm.

	Spectralon calibration				Self-calibration
Target∕reference	Day 1∕1	Day 2∕2	Day 1∕2	Day 2∕1	Day 1∕1	Day 2∕2	Day 1∕2	Day 2∕1
Error in Hb concentration	6.9±8.1%	8.8±4.5%	8.4±4.9%	4.5±1.5%	8.5±8.6%	7.6±8.1%	7.0±4.4%	8.6±3.9%
Error in ${\mu }_s^{\prime }$	3.0±2.8%	4.5±4.2%	9.0±3.2%	12.5±6.1%	3.2±2.3%	2.8 ±2.8%	3.8±3.4%	2.1±1.1%