CohenJ. A coefficient of agreement for nominal scales. Educ Psychol Meas1960; 20: 37–46.
2.
DoornbergJLindenhoviusAKloenPet al.Two and three-dimensional computed tomography for the classification and management of distal humeral fractures. Evaluation of reliability and diagnostic accuracy. J Bone Joint Surg2006; 88-A: 1795–1801.
3.
LindenhoviusAKaranicolasPJBhandariMet al.Radiographic arthrosis after elbow trauma: interobserver reliability. J Hand Surg2012; 37: 755–759.
4.
ClaessenFMvan den EndeKIDoornbergJNet al.Osteochondritis dissecans of the humeral capitellum: reliability of four classification systems using radiographs and computed tomography. J Shoulder Elbow Surg2015; 24: 1613–1618.
5.
CicchettiDVFeinsteinAR. High agreement but low kappa: II. Resolving the paradoxes. J Clin Epidemiol1990; 43: 551–558.
6.
FeinsteinARCicchettiDV. High agreement but low kappa: I. The problems of two paradoxes. J Clin Epidemiol1990; 43: 543–549.