UNLABELLED Adjuvant chemotherapy decisions in breast cancer are increasingly based on the pathologist's assessment of tumor proliferation. The Swiss Working Group of Gyneco- and Breast Pathologists has surveyed inter- and intraobserver consistency of Ki-67-based proliferative fraction in breast carcinomas. METHODS Five pathologists evaluated MIB-1-labeling index (LI) in ten breast carcinomas ...

Analysis of instrument reliability and rater agreement is used in a wide range of behavioral, medical, psychosocial, and health-care-related research to assess psychometric properties of instruments, consensus in disease diagnoses, fidelity of psychosocial intervention, and accuracy of proxy outcomes. For categorical outcomes, Cohen's kappa is the most widely used index of agreement and reliabi...

OBJECTIVES To check the degree of concordance in renal ultrasound examination between two nurses and one experienced urologist with the aim of testing nurses' competence performing renal ultrasound. METHODS The echographic aspect of both kidneys (normal or abnormal) was evaluated. Every abnormal finding resulted in the automatic classification of the kidney as 'abnormal'. The agreement betwee...

This study aimed to evaluate the inter rater reliability of the Pressure Ulcer Scale for Healing (PUSH), in its version adapted to the Portuguese language, in patients with chronic leg ulcers. Kappa index was used for the analysis. After accomplishing ethical issues, 41 patients with ulcers were examined. A total of 49% of the ulcers were located in the right leg and 36% of them were venous ulc...