Table 2.

Comparability of tested analytes on Combur‐10M and iChem Velocity dipsticks depending on ascorbic acid (AA) presence in urine sample

Analyte	AA negative( N = 370	AA positive )N = 36
Bilirubin	0.778 (0.701‐0.855)	0.442 (−0.009 to 0.893)
Hemoglobin	0.758 (0.708‐0.808)	0.646 (0.266 to 1.000)
Glucose	0.915 (0.884‐0.947)	0.890 (0.798 to 0.982)
Protein	0.738 (0.687‐0.788)	0.516 (0.264 to 0.767)
Leukocyte	0.874 (0.842‐0.905)	0.873 (0.780 to 0.965)
Nitrite	0.753 (0.644‐0.862)	0 (0 to 0)

Data are presented as weighted kappa and 95% confidence interval.

AA, ascorbic acid.