A class of repeated measures concordance correlation coefficients.
The repeated measures concordance correlation coefficient was proposed for measuring agreement between two raters or two methods of measuring a response in the presence of repeated measurements (King et al., 2007). This paper proposes a class of repeated measures concordance correlation coefficients that are appropriate for both continuous and categorical data. We illustrate the methodology with examples comparing (1) 1-hour vs. 2-hour blood draws for measuring cortisol in an asthma clinical trial, (2) two measurements of percentage body fat, from skinfold calipers and dual energy x-ray absorptiometry, and (3) two binary measures of quality of health from an asthma clinical trial.
King
Tonya S
TS
Pennsylvania State University College of Medicine, Pennsylvania 17033, USA. tking@psu.edu
Chinchilli
Vernon M
VM
Wang
Kai-Ling
KL
Carrasco
Josep L
JL
D015502:Absorptiometry, Photon / Q000706:statistics & numerical data; D000293:Adolescent; D000305:Adrenal Cortex Hormones / Q000627:therapeutic use; D000465:Algorithms; D018927:Anti-Asthmatic Agents / Q000627:therapeutic use; D001249:Asthma / Q000188:drug therapy; D001699:Biometry / Q000379:methods*; D001774:Blood Chemical Analysis / Q000706:statistics & numerical data; D019819:Budesonide / Q000627:therapeutic use; D002648:Child; D003198:Computer Simulation; D018849:Controlled Clinical Trials as Topic / Q000706:statistics & numerical data; D019937:Diagnostic Techniques and Procedures / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D006854:Hydrocortisone / Q000097:blood; D007211:Indoles; D015233:Models, Statistical; D009010:Monte Carlo Method; D015588:Observer Variation; D048448:Phenylcarbamates; D015203:Reproducibility of Results; D013449:Sulfonamides; D014105:Tosyl Compounds / Q000627:therapeutic use; D016896:Treatment Outcome
D000305:Adrenal Cortex Hormones; D018927:Anti-Asthmatic Agents; D007211:Indoles; D048448:Phenylcarbamates; D013449:Sulfonamides; D014105:Tosyl Compounds; D019819:Budesonide; D006854:Hydrocortisone; C062735:zafirlukast