Table 5 Effects of baseline incidence, proportions diseased, risk ratios, and baseline symptom correlations on the sensitivities of individual symptoms for disease diagnosis.
From: Diagnostic accuracy of symptoms for an underlying disease: a simulation study
Coefficients | (95% CIs) | p | |
|---|---|---|---|
Incidence not reaching 1 among those diseased | |||
(Intercept) | 0 | (0 to 0) | < 0.0001 |
Correlation between diseases | 0 | (0 to 0) | 0.82 |
Proportions diseased | 0 | (0 to 0) | 0.03 |
Baseline incidence | 0 | (0 to 0) | < 0.0001 |
Risk ratio | 0 | (0 to 0) | < 0.0001 |
At-risk incidence | 1 | (1 to 1) | < 0.0001 |
Baseline symptom correlation | 0 | (0 to 0) | 0.22 |
Dependent variable mean = 0.64; SD = 0.32; median = 0.55; min = 0.12; max = 1 | |||
Adjusted R-square = 1 | |||
Incidence reaching 1 among those diseased | |||
(Intercept) | 1 | (1 to 1) | < 0.0001 |
Correlation between diseases | 0 | (0 to 0) | 0.24 |
Proportions diseased | 0 | (0 to 0) | 0.34 |
Baseline incidence | 0 | (0 to 0) | 0.22 |
Risk ratio | 0 | (0 to 0) | 0.71 |
Baseline symptom correlation | 0 | (0 to 0) | 0.22 |
Dependent variable mean = 1; SD = 0; median = 1; min = 1; max = 1 | |||
Adjusted R-square = 0.5 | |||
