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Table 4 Level of pair-wise agreement for six observers assessing ultrasonographic features of polycystic ovaries before and after an ultrasound workshop.

From: Improving inter-observer variability in the evaluation of ultrasonographic features of polycystic ovaries

 

Overall Concordance Correlation Coefficient (ρ)

Overall Kappa Statistic (κ)

 

FNPO

FNPS

Largest

Follicle

Ovarian

Volume

Average

Corpus

Luteum

Follicle

Pattern

Average

BEFORE

0.55

0.59

0.67

0.72

0.63

0.82

0.59

0.71

AFTER

0.54

0.70

0.77

0.84

0.71

0.87

0.80

0.84

Δρ/Δκ

-0.01

+0.11

+0.10

+0.12

+0.08

+0.05

+0.21

+0.13

P-value

0.73

0.01

0.13

0.0004

0.0003

0.08

0.0001

0.001