Table 1.
Average and standard deviation (minimum to maximum) of the mean chromophore values in tumor and normal breast tissue
| Tumor | Normal | Areola | |
|---|---|---|---|
| ctO2Hb |
26.8* ± 10.7 |
17.8 ± 4.9 |
20.1** ± 5.9 |
| (9.9 to 59.1) |
(9.7 to 32.9) |
(10.7 to 33.2) |
|
| ctHHb |
8.3* ± 2.1 |
5.4 ± 1.2 |
8.1† ± 3.0 |
| (4.1 to 11.8) |
(3.7 to 8.5) |
(4.8 to 17.0) |
|
| H2O |
37.9* ± 12.9 |
26.9 ± 10.3 |
45.4† ± 11.7 |
| (17.7 to 66.5) |
(17.0 to 64.3) |
(25.1 to 76.6) |
|
| lipid |
58.2* ± 11.3 |
65.9 ± 11.3 |
51.6† ± 10.6 |
| (35.4 to 88.6) |
(32.4 to 95.4) |
(28.6 to 71.9) |
|
| TOI |
6.8* ± 5.5 |
2.9 ± 3.4 |
9.5† ± 8.2 |
| (1.3 to 25.1) |
(0.9 to 18.1) |
(1.8 to 38.0) |
|
| STC | 1,968.9* ± 3,701.0 |
336.2 ± 900.2 |
935.1 ± 1,688.3 |
| (21.3 to 16,509.9) | (16.1 to 4,450.0) | (21.9 to 7,085.9) |
*, **, † denote a statistically significant difference (Wilcoxon test at alpha = 0.05, P <0.01) between tumor and normal, between tumor and areola, and between areola and normal, respectively. ctO2Hb, Concentration of oxy-hemoglobin (μM); ctHHB, Concentration of deoxyhemoglobin (μM); STC, Specific tumor component; TOI, Tissue optical index.