Table 1: Oxidant assay versus Sample Check assay, N = 612. Urine Check 7 Drug Adulteration Test Strip was used for positive samples.

Table 1: Oxidant assay versus Sample Check assay, N = 612.
Urine Check 7 Drug Adulteration Test Strip was used for positive samples.

Sample ID	Oxidant Assay (Cut-off = 50.0)		Sample Check Assay (Reference Interval 88%-104%)		UrineCheck 7 Drug Adulteration Test Strip
Sample ID	Day 1	Day 13	Day 1	Day 13	Day 1	Day 13
Patient 1	66 (Positive)	1 (Negative)	Normal	Normal	Nil	Nil
Patient 2	110 (Positive)	68 (Positive)	Normal	Normal	Nil	Nil
Patient 3	52 (Positive)	40 Negative	Normal	Normal	Nil	Nil
Patient 4	285 (Positive)	298 (Positive)	Normal	Normal	Positive for Nitrite	Positive for Nitrite
Patient 5	64 (Positive)	48 (Negative)	Normal	Normal	Nil	Nil
Patient 6	76 (Positive)	50 (Negative)	Normal	Normal	Nil	Nil
Patient 7	73 (Positive)	75 (Positive)	Normal	Normal	Nil	Nil