Table 2:

Contingency table of ASPECTS-based scoring for ASL and DSA data^{^a}

DSA Score	ASL Score				Totals
DSA Score	0	1	2	3	Totals
0	0	1	0	0	1 (<1%)
1	0	6	17	1	24 (5%)
2	0	7	192	21	220 (46%)
3	0	0	13	222	235 (49%)
Totals	0 (0%)	14 (3%)	222 (46%)	244 (51%)	480

↵a Agreement = 88%, Cohen κ = 0.77, P < .0001.