Table 2. Concentration and detection rates of CarpCytb in water.

	Surface			Sub-surface			Total
Carp usage	Mean (copies/L)	Detection rate (%)	N	Mean (copies/L)	Detection rate (%)	N	Mean (copies/L)	Detection rate (%)	N
	[95% CI]			[95% CI]			[95% CI]
Low-use	3.8×104	60	15	2.7×104	67	15	3.1×104	63	30
	[2.2×104, 6.8×104]			[1.8×104, 4.2×104]			[2.1×104, 4.5×104]
High-use	2.1×105	100	7	2.6×105	100	7	2.4×105	100	14
	[9.8×104, 3.7×105]			[1.3×105, 3.7×105]			[1.4×105, 3.8×105]
Total	6.6×104	73	22	5.5×104	77	22	5.7×104	75	44
	[3.7×104, 1.2×105]			[3.1×104, 9.9×104]			[3.9×104, 8.3×104]