Skip to main content

Table 1 Sensitivity and specificity of % area amyloid (% amyloid was scaled for each sample type from low to high)

From: Prevalence of readily detected amyloid blood clots in ‘unclotted’ Type 2 Diabetes Mellitus and COVID-19 plasma: a preliminary report

Controls T2DM COVID-19 Controls vs COVID-19
0.09% T2DM Cut-off % amyloid area set as 3.05%   True positives 17 × COVID-19
0.11% True negatives 10 × Controls
0.18% False positives 0
0.24% False negatives 3 × COVID-19
0.36% Sensitivity 85%
  0.37% Specificity 100%
0.43%   T2DM vs COVID-19
0.48%   True positives 9 × COVID-19
0.80%   True negatives 10 × T2DM
  0.81% False positives 5 × T2DM
0.96% 1.07% False negatives 4 × COVID-19
1.23%   Sensitivity 69%
Control cut-off % amyloid area set as 1.3% 1.47%   Specificity 67%
   Controls vs T2DM
1.86%   True positives 10 × T2DM
2.12%   True negatives 10 × Controls
2.73%   False positives 0
2.84%   False negatives 0
  3.00% Sensitivity 100%
3.35%   Specificity 100%
  3.60%   
  3.60%   
  3.64%   
  3.87%   
  4.03%   
4.98%    
  5.08%   
5.28%    
6.73%    
  9.29%   
9.87%    
  14.39%   
  16.29%   
  18.45%   
  18.69%   
  18.91%   
  21.34%   
  21.79%   
  26.05%   
  36.39%