Assessment of ultrasonographic features of polycystic ovaries is associated with modest levels of inter-observer agreement

Table 3 Level of pair-wise agreement among four observers assessing ultrasonographic features of polycystic ovaries

	Concordance Correlation Coefficient				Kappa Statistic
Observer Pair	Follicle Count	Largest Follicle	Ovarian Volume	Average	Follicle Pattern	Corpus Luteum	Average
1,2	0.63	0.88	0.86	0.79	0.66	0.90	0.78
1,3	0.18	0.27	0.80	0.42	0.58	0.76	0.67
1,4	0.27	0.86	0.84	0.66	0.76	0.86	0.81
2,3	0.16	0.43	0.75	0.44	0.51	0.80	0.65
2,4	0.48	0.86	0.67	0.67	0.73	0.83	0.78
3,4	0.08	0.34	0.63	0.35	0.54	0.83	0.69
Average	0.30	0.61	0.76	0.55	0.63	0.83	0.73

Observer Pair 1,4 represent measurements made by reproductive endocrinologists, Observer Pair 2,3 represent measurements made by radiologists.

ISSN: 1757-2215