Table 2.

Intra-rater reproducibility results for DWI lesion volumes calculation

Statistical tests	Expert vs non-expert 1	Expert vs non-expert 2	Non-expert 1 vs non-expert 2	All raters
ICC (95 % CI)	0.90(0.83–0.94) ↑↑	0.78(0.64–0.87) ↑	0.92(0.87–0.95) ↑↑	0.86(0.79–0.91) ↑↑
r2	0.86	0.74	0.86	NA

↑↑ ICC value indicates perfect inter-rater agreement, ↑ ICC value indicates strong inter-rater agreement, NA not applicable