Table 6: Pearson correlations between CBSD severity and incidence and viral loads.

[ 6a]: CBSD severity vs. CBSV load

 

[6c]: CBSD severity vs. UCBSV load

 

Pearson coefficient (r):

0.769706863

Pearson coefficient (r):

0.247433348

N:

112

N:

112

T statistics:

12.64534073

T statistics:

2.678387528

df:

110

df:

110

p value:

0.003559025

p value:

0.008532354

[6b]: CBSD incidence vs. CBSV load

 

[6d]: CBSD incidence vs. UCBSV load

 

Pearson coefficient (r):

0.514921447

Pearson coefficient (r):

0.239410854

N:

112

N:

112

T statistics:

6.299937346

T statistics:

2.586172379

df:

110

df:

110

p value:

0.006301937

p value:

0.011011018

[6e]: CBSV load vs. UCBSV load

 

 

Pearson coefficient (r):

0.425181072

 

N:

112

 

T statistics:

4.926854219

 

df:

110

 

p value:

0.029692506

 

CBSV = cassava brown streak virus; UCBSV = Ugandan CBSV; N = sample size; df = degree of freedom