Table 3.

The C_T values obtained from log₁₀ dilutions of spiked sewage and MQ water samples.

Sample	E gene				N gene				ORF1ab
	Sewage		MQ		Sewage		MQ		Sewage		MQ
	Average CT	SD⁎	Average CT	SD⁎	Average CT	SD⁎	Average CT	SD⁎	Average CT	SD⁎	Average CT	SD⁎
UD+	11.29	0.41	8.50	0.04	8.13	0.44	5.44	0.03	9.74	0.49	6.32	0.08
1/10	17.02	0.35	12.96	0.04	14.02	0.34	9.61	0.18	16.25	0.37	11.48	0.08
1/100	19.73	0.30	15.06	0.08	16.33	0.45	11.85	0.20	18.73	0.39	13.55	0.09
1/1000	22.87	0.11	19.99	0.15	19.65	0.20	16.43	0.25	21.75	0.28	18.48	0.17
1/10000	25.88	0.47	22.79	0.13	22.95	0.48	19.48	0.04	24.97	0.50	21.35	0.13
Filtered (0.22 μm)	11.15	0.14			8.36	0.18			9.58	0.51

^⁎Standard deviation; + Undiluted