Urine Test Strip Quantitative Assay with a Smartphone Camera

Table 1

Validation of urine test strips with the digital camera as an output sensor for standard assays.

Marker	Urine test strip	Standard assay	Type of standard assay	Significant difference by ANOVA at
pH	6.36 ± 0.19	6.41 ± 0.21	Potentiometry	No
Glucose (mmol/L)	10.6 ± 0.7	10.3 ± 0.5	Spectroscopy	No
Human serum albumin (g/L)	2.61 ± 0.31	2.56 ± 0.23	Spectroscopy	No
Leukocyturia surrogated by lipase activity (U/μL)	53.7 ± 4.3	56.2 ± 3.9	Spectroscopy	No