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Table 4 Cycle threshold (Ct) values analyzed on day 0 and day 3

From: Efficacy of two siddha polyherbal decoctions, Nilavembu Kudineer and Kaba Sura Kudineer, along with standard allopathy treatment in the management of mild to moderate symptomatic COVID-19 patients—a double-blind, placebo-controlled, clinical trial

Ct values

Arm I: Placebo

Mean (SD)

Arm II: NVK

Mean (SD)

Arm III: KSK

Mean (SD)

P value

Day 0 (n=38, 37, 39)

20.5 (4.3)

21.2 (2.8)

20.8 (4.3)

0.56

Day 3 (n=34, 33, 35)

25.1 (3.79)

31.5 (5.11)

33.1 (4.57)

0.0001

  1. Units: Cycle threshold
  2. Ct values were not analyzed on days 6 and 10 as all the patients of Arm II and Arm III were discharged