Peak (Period)

Number of patients

Mean Ct

Std. Dev.

95% confidence interval

P-value

Wave One (March 2020-July 2020)

724

30.4

5.5

29.9 - 30.8

<0.00001

Patient (April 2021)

1

10

-

-

Wave One (March 2020-July 2020)

724

30.4

5.5

29.9 - 30.8

<0.00001

Wave Three (Feb. 2021-May 2021)

83

24.6

5.8

23.3 - 25.9