Table 2.

Descriptive and inferential data for the optical redox ratio, the ratio of FMN to FAD and the flavin fluorescence lifetime from Figure 1 .

	Control	Low-grade glioma	High-grade glioma	Meningioma	Metastases
Optical redox ratio
Median	0.83	0.71	0.76	0.67	0.8
0.25 quartile	0.82	0.69	0.73	0.61	0.76
0.75 quartile	0.84	0.73	0.79	0.72	0.83
p-value	–	7.765e-7	1.045e-6	1.270e-7	4.263e-3
Ratio protein-bound FMN to FAD Rflavin
Median	0.86	1.22	1.06	1.29	0.94
0.25 quartile	0.85	1.17	0.98	1.16	0.85
0.75 quartile	0.97	1.31	1.16	1.53	1.08
p-value	–	2.018e-7	6.879e-6	1.063e-7	1.074e-1
Flavin fluorescence lifetime 500 nm - 580 nm
Median	1.43	2.71	2.31	4.06	2.41
0.25 quartile	1.34	2.31	2.07	3.44	2.09
0.75 quartile	1.69	2.97	2.6	4.72	2.78
p-value	–	1.426e-7	1.470e-7	1.964e-9	5.167e-7