Table 4.

Interrater reliability results for the FT parameters.

Parameter	Mean ± SD or median ± IQR			ICC (p value)	95% CI
	Rater A	Rater B	Rater C
Affected hemisphere
Number of fibers	264 ± 615	255 ± 574	141 ± 469	0.868 (< 0.001)	0.76–0.93
FATa	0.24 ± 0.08	0.23 ± 0.08	0.23 ± 0.08	0.982 (< 0.001)	0.97–0.99
Average FAa	0.46 ± 0.05	0.46 ± 0.05	0.47 ± 0.05	0.951 (< 0.001)	0.91–0.98
Average lengthb	120.5 ± 19.0	117 ± 18.25	119 ± 14.75	0.966 (< 0.001)	0.94–0.98
Average volume [cm3]a	3.41 ± 1.89	3.20 ± 1.58	4.75 ± 3.53	0.651 (< 0.001)	0.37–0.82
Average ADC [mm2/s · 10− 4]b	24.47 ± 4.09	24.43 ± 3.0	25.20 ± 3.86	0.958 (< 0.001)	0.92–0.98
Distance CST ~ tumor [mm]b	6.75 ± 9.13	7.4 ± 9.50	7.2 ± 8.78	0.993 (< 0.001)	0.99–1.0
Healthy hemisphere
Number of fibersb	369 ± 1232	363 ± 1170	333 ± 1181	0.935 (< 0.001)	0.88–0.97
FATa	0.28 ± 0.09	0.29 ± 0.09	0.29 ± 0.09	0.973 (< 0.001)	0.95–0.99
Average FAa	0.51 ± 0.04	0.51 ± 0.05	0.51 ± 0.05	0.937 (< 0.001)	0.89–0.97
Average lengthb	118 ± 11.75	118.5 ± 12.75	116.5 ± 11.0	0.957 (< 0.001)	0.92–0.98
Average volume [cm3]a	3.12 ± 1.50	2.80 ± 1.36	4.30 ± 3.52	0.586 (0.001)	0.27–0.79
Average ADC [mm2/s · 10− 4]b	23.12 ± 1.74	23.20 ± 2.30	23.35 ± 2.92	0.958 (< 0.001)	0.92–0.98

Detailed comparison of the examiners' results where rater A and B are experienced and rater C is unexperienced.

^aData is presented as mean ± SD.

^bData is presented as median ± IQR.