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The Egyptian Journal of Neurology, Psychiatry and Neurosurgery

Table 2 Inter-observer agreement of qualitative comparison with PCT1

From: Role of contrast-enhanced FLAIR MRI in diagnosis of intracranial lesions

Qualitative comparison with PCT1W

First observer

Second observer

K

p

95% CI

% of agreement

Equal

26

25

0.957

< 0.001*

0.89-1.0

97.65%

Inferior

10

9

Superior

49

51

  1. K Kappa agreement, CI confidence interval, PCT1W post-contrast T1-weighted image
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