Table 2

 Sensitivity and specificity of baseline CT ASPECTS compared with the reference test baseline DWI ASPECTS

TestDWI ASPECTSTotal
>7⩽7
Sensitivity = 54/67 = 0.81.
Specificity = 29/33 = 0.88.
Positive predictive value = 54/58 = 0.93.
Negative predictive value = 29/42 = 0.69.
See table 1 for abbreviations.
CT ASPECTS >7541367
CT ASPECTS ⩽742933
5842100