. 2019 Nov 5;1(1):fcz031. doi: 10.1093/braincomms/fcz031

Table 1.

Noise root mean squared values by group for image quality comparison

Scanner noted in consort diagram (Fig. 1)	Non-blast controls noise RMS		Blast TBI noise RMS		Blast control noise RMS		Non-blast TBI noise RMS		Unadjusted P-value
Scanner noted in consort diagram (Fig. 1)	Mean	SD	Mean	SD	Mean	SD	Mean	SD	Unadjusted P-value
1.5 T Siemens 1			10.2	0.5	10.5	1.7			0.3
3 T Siemens 1	11.3	1	11.6	1.4	11.3	1	11.6	1	^*0.08 - 0.8
1.5 T Philips	17	10.8	16.2	6.7					0.8
1.5 T Siemens 2	11	0.5	10.6	0.8	10.3	0.9			^*0.07-0.2
3 T Siemens 2	12.8	1.2	12.4	1.3	12.8	1.2	13.3	1.2	^*0.1-0.8
3 T Phillips	2	1.2	2.2	3.1	1.8	0.3	2.5	2.5	^*0.5-0.9

RMS, root mean squared.

All groups compared with non-blast controls.