Scientific Reports

Table 6 Maximal values of the multi-spectral optoacoustic tomography measurements (MSOT signal in AU) of the two parotid tumor entities.

From: Multispectral optoacoustic tomography of benign parotid tumors in vivo: a prospective observational pilot study

	Pleomorphic adenoma		Warthin tumor		p
	Mean	SD	Mean	SD	p
Tumor side
ROI, mm³	64.15	40.80	77.70	43.94	0.226
Depth, minimal, cm	5.51	1.88	5.42	1.96	0.457
700 nm	1014.91	554.26	1369.72	739.11	0.160
730 nm	925.72	542.10	1286.58	721.22	0.107
760 nm	906.69	495.77	1251.22	632.84	0.098
800 nm	784.83	465.09	1125.61	529.38	0.083
850 nm	776.88	430.63	1101.35	408.01	0.058
900 nm	1144.68	574.99	1890.89	958.73	0.037
HbR	0.49	0.31	0.64	0.43	0.020
HbO₂	0.62	0.28	1.05	0.46	0.183
HbT	1.00	0.51	1.50	0.61	0.007
sO₂	0.90	0.11	0.99	0.02	0.006
Contralateral side
ROI, mm³	64.16	40.81	77.70	43.94	0.226
Depth, minimal, cm	5.90	1.84	5.55	1.89	0.328
700 nm	883.31	492.03	1000.43	532.08	0.295
730 nm	840.67	513.57	966.49	501.59	0.277
760 nm	838.73	502.56	945.89	439.95	0.292
800 nm	800.96	482.77	879.98	411.70	0.335
850 nm	797.03	449.77	906.05	433.61	0.278
900 nm	1097.48	670.48	1675.33	1446.20	0.127
HbR	0.42	0.24	0.47	0.29	0.337
HbO₂	0.63	0.34	0.91	0.81	0.160
HbT	0.98	0.55	1.27	0.76	0.165
sO₂	0.98	0.04	0.98	0.06	0.448
Ratio
ROI, mm³	1.00	0.00	1.00	0.00	0.123
Depth, minimal, cm	0.95	0.16	0.98	0.09	0.296
700 nm	1.32	0.53	1.43	0.40	0.278
730 nm	1.27	0.51	1.39	0.39	0.267
760 nm	1.23	0.47	1.37	0.34	0.209
800 nm	1.09	0.38	1.35	0.39	0.059
850 nm	1.08	0.38	1.34	0.44	0.074
900 nm	1.18	0.43	1.37	0.54	0.185
HbR	1.29	0.53	1.43	0.47	0.248
HbO₂	1.11	0.44	1.49	0.67	0.064
HbT	1.14	0.41	1.33	0.45	0.153
sO₂	0.92	0.11	1.01	0.05	0.006

AU arbitrary unit, SD standard deviation, ROI region of interest, HbR deoxygenated hemoglobin, HBO₂ oxygenated hemoglobin, HbT total hemoglobin, sO₂ oxygen saturation.
Significant values are in bold.

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