Table 4.

I4e outcome classification for Octopus and Humphrey results.

Count	Crosstab
	Humphrey outcome		Total
	Normal	Abnormal	Normal
Octopus outcome I4e
Normal	9	10	19
Abnormal	1	81	82
Mismatched defect	0	12	12
Total	10	103	113

Chi², P = 0.0001.

Kappa = 0.35.