Table 12 Role of numbers of symptoms, overall symptom correlations, and overall symptom incidence on the AUCs for disease diagnosis.
From: Diagnostic accuracy of symptoms for an underlying disease: a simulation study
Coefficients | (95% CIs) | p | |
|---|---|---|---|
All RRs | |||
(Intercept) | 0.667 | (0.664 to 0.67) | < 0.0001 |
Overall symptom correlation | 0.145 | (0.142 to 0.148) | < 0.0001 |
Overall symptom incidence | − 0.033 | (− 0.036 to − 0.03) | < 0.0001 |
Number of symptoms | 0.001 | (0.001 to 0.001) | < 0.0001 |
Dependent variable mean = 0.75; SD = 0.26; median = 0.84; min = 0; max = 1 | |||
Adjusted R-square = 0.03 | |||
RRs > 1 | |||
(Intercept) | 0.803 | (0.801 to 0.805) | < 0.0001 |
Overall symptom correlation | 0.02 | (0.018 to 0.022) | < 0.0001 |
Overall symptom incidence | − 0.008 | (− 0.01 to − 0.006) | < 0.0001 |
Number of symptoms | 0.002 | (0.002 to 0.002) | < 0.0001 |
Dependent variable mean = 0.75; SD = 0.26; median = 0.84; min = 0; max = 1 | |||
Adjusted R-square = 0.02 | |||
