Table 2.
AUC measures and 95% CI obtained from various combinations of datasets A-D used for training and validation. For each dataset, the table includes the results of testing all 15 possible combinations of data types, with the optimal combination highlighted for each case. The two best performing models are highlighted in bold.
| Val. Data | Training Data ABCD | Training Data BCD | Training Data CD | Training Data D | ||||
|---|---|---|---|---|---|---|---|---|
| Variables | AUC (95% CI) | Variables | AUC (95% CI) | Variables | AUC (95% CI) | Variables | AUC (95% CI) | |
| A | Comorb Symptoms | 0.63 (0.62–0.64) |
Comorb Lab | 0.62 (0.60–0.63) |
Comorb | 0.60 (0.59–0.61) |
Comorb Smoking Symptoms | 0.60 (0.59–0.61) |
| B | Comorb Lab Symptoms | 0.78 (0.75–0.82) |
Comorb Lab Smoking |
0.79
(0.75–0.83) |
Comorb Lab | 0.78 (0.74–0.81) |
Comorb Lab | 0.77 (0.73–0.80) |
| C | Lab Smoking | 0.72 (0.67–0.76) |
Lab Smoking Symptoms | 0.72 (0.78–0.77) |
Lab Smoking Symptoms | 0.73 (0.69–0.78) |
Lab Smoking | 0.73 (0.58–0.80) |
| D | Comorb Lab Smoking Symptoms | 0.75 (0.72–0.79) |
Comorb Lab Smoking Symptoms | 0.77 (0.73–0.80) |
Comorb Lab Smoking | 0.77 (0.73–0.80) |
Comorb Lab Smoking Symptoms |
0.78
(0.75–0.82) |
| CD | Comorb Lab Smoking Symptoms | 0.76 (0.73–0.79) |
Comorb Lab Smoking Symptoms | 0.77 (0.74–0.80) |
Comorb Lab Smoking Symptoms | 0.78 (0.75–0.81) |
Comorb Lab Smoking Symptoms | 0.77 (0.74–0.80) |
| BCD | Comorb Lab Smoking Symptoms | 0.77 (0.75–0.79) |
Comorb Lab Smoking Symptoms | 0.78 (0.76–0.80) |
Comorb Lab Smoking | 0.78 (0.75–0.80) |
Comorb Lab Smoking Symptoms | 0.78 (0.75–0.80) |
| ABCD | Comorb Lab Smoking Symptoms | 0.69 (0.68–0.70) |
Comorb Lab Smoking | 0.68 (0.67–0.69) |
Comorb Lab Smoking | 0.66 (0.65–0.67) |
Comorb Lab Smoking Symptoms | 0.67 (0.66–0.68) |