TABLE 1.

Reporting of laboratory characteristics for C-reactive protein in original research publications in the American Journal for Clinical Nutrition from June to December, 2019¹

Laboratory assay characteristic	Publications reporting characteristic, n (%) (n = 20)
LOD and/or LLOQ	4 (20%)
Data handling method below LOD/LLOQ	0
ULOQ	0
Data handling method above ULOQ	0
Inter-assay and/or intra-assay CV	7 (35%)
Specific analyzer and/or assay manufacturer	16 (80%)
Duplicate measurements performed for each sample	2 (10%)

¹LLOQ, lower limit of quantification; LOD, limit of detection; ULOQ, upper limit of quantification.