The Production of Standardized Samples with Known Concentrations for Severe Acute Respiratory Syndrome Coronavirus 2 RT-qPCR Testing Validation for Developing Countries in the Period of the Pandemic Era

Table 4

Accuracy test per each concentration for synthesized RNA.

Concentration levels	Ct values							Mean Ct value	Average log Ct value	Average SD log Ct value	RSD % Ct value
	1^st time	2^nd time	3^rd time	4^th time	5^th time	6^th time	7^th time
80%	29.44	29.17	29.34	28.94	28.97	29.70	29.37	29.28	2.92	0.07	2.51
100%	29.00	29.42	29.23	29.16	29.36	29.71	29.79	29.38	2.89	0.08	2.70
120%	29.08	28.84	28.98	29.07	28.79	28.89	28.89	28.93	3.01	0.03	1.01