Kabasura Kudineer (KSK), a poly-herbal Siddha medicine, reduced SARS-CoV-2 viral load in asymptomatic COVID-19 individuals as compared to vitamin C and zinc supplementation: findings from a prospective, exploratory, open-labeled, comparative, randomized controlled trial, Tamil Nadu, India

Table 4 Viral load (cyclic threshold value; mean) for the study group and control group before and after treatment

Group	Type of gene	Baseline CT value	End line CT value	Difference between baseline and end line	95% CI of the difference
Group	Type of gene	Mean ± SD	Mean ± SD	Mean	Lower	Upper
Study	E gene	29.22 ± 6.44	33.29 ± 4.45	4.07	2.17	5.97
	RdRp gene	29.63 ± 6.61	33.45 ± 4.14	3.81	1.89	5.74
	N gene	28.63 ± 6.15	33.22 ± 4.54	4.59	2.76	6.41
Control	E gene	26.53 ± 5.82	28.05 ± 4.42	1.52	− 0.60	3.65
	RdRp gene	26.73 ± 5.83	29.34 ± 4.53	2.60	0.44	4.76
	N gene	25.39 ± 5.12	27.78 ± 4.02	2.39	0.51	4.27

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