Results of the validation
| Level | Description | Automatically assigned | True positives | True level of false positives | PPV (95% CI) | Cohen's K |
|---|---|---|---|---|---|---|
| Type 2 diabetes mellitus (N=300, true positives overall: 300) | ||||||
| 1 | Diabetes with no evidence of organ damage nor complications and no indication for insulin therapy | 129 | 101 | Level 3: 28 | 0.78 (0.70 to 0.85) | 0.70 |
| 2 | Diabetes with indication for insulin but no evidence of organ damage nor complications | 17 | 15 | Level 4: 2 | 0.88 (0.64 to 0.99) | |
| 3 | Diabetes with evidence of organ damage or complications and no indication for insulin | 127 | 104 | Level 1: 23 | 0.82 (0.74 to 0.88) | |
| 4 | Diabetes with evidence of organ damage or complications and with indication for insulin | 27 | 25 | Level 3: 2 | 0.93 (0.76 to 0.99) | |
| Hypertension (N=300, true positives overall: 300) | ||||||
| 1 | Hypertension with no organ damage nor diabetes | 138 | 119 | Level 2: 18 Level 3: 1 | 0.86 (0.79 to 0.91) | 0.69 |
| 2 | Hypertension with organ damage and/or stroke and/or diabetes, no HF | 155 | 127 | Level 1: 28 | 0.82 (0.75 to 0.88) | |
| 3 | Hypertension and HF | 7 | 6 | Level 2: 1 | 0.86 (0.42 to 0.99) | |
| Ischaemic heart disease (N=300, true positives overall: 298) | ||||||
| 1 | IHD, no AMI, no HF, no PTCA | 56 | 54 | No IHD: 2 | 0.96 (0.88 to 0.99) | 0.71 |
| 2 | IHD with PTCA, no AMI, no HF | 1 | 0 | Level 5: 1 | 0 | |
| 3 | IHD with AMI, no PTCA, no HF | 195 | 152 | Level 1: 43 | 0.78 (0.71 to 0.84) | |
| 4 | IHD with PTCA and AMI, no HF | 0 | 0 | – | – | |
| 5 | IHD with HF | 48 | 45 | Level 3: 3 | 0.94 (0.83 to 0.99) | |
| Heart failure (N=243, true positives: 134) | ||||||
AMI, acute myocardial infarction; IHD, ischaemic heart disease; HF, heart failure; PPV, positive predictive value; PTCA, percutaneous transluminal coronary angioplasty.