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Table 3 Cycle threshold (Ct) values recorded from the swab samples taken before intervention and four days after intervention. The analysis was performed using the Wilcoxon signed-rank test

From: Efficacy of povidone-iodine nasal rinse and mouth wash in COVID-19 management: a prospective, randomized pilot clinical trial (povidone-iodine in COVID-19 management)

 

Mean Ct at Day 0 (SD)

Mean Ct at Day 4 (SD)

p*

PVP-I group (n = 5)

23 (± 3.4)

25.2 (± 3.5)

1.00

NS group (n = 6)

23.5 (± 6.3)

15 (± 11.7)

0.07

Control group (n = 8)

26.3 (± 5.9)

26.9 (± 6.4)

0.83

Overall (n = 19)

24.5 (± 5.4)

22.7 (± 9.3)

0.46

  1. PVP-I: Povidone-Iodine; NS: Normal Saline
  2. * p < 0.05 considered statistically significant