Table 2 Attributes used to construct the feature vector. The summary column for attributes in the ratio scale contains the median and interquartile range (given in parentheses). For nominal attributes, the summary column contains the number of subjects within each of the two groups having specific attribute values: male (female) for gender and absent (present) for other nominal attributes.
Attribute | Scale | Summary |
|---|---|---|
Gender | nominal | 16 (17) |
Age | ratio | 57 (13) |
Obesity | nominal | 24 (9) |
Hypertension | nominal | 5 (28) |
IGT | nominal | 24 (9) |
Hyperlipidemia | nominal | 27 (6) |
Type 2 diabetes mellitus | nominal | 20 (13) |
Thyroid nodules | nominal | 11 (22) |
Hashimoto disease | nominal | 32 (1) |
Graves disease | nominal | 31 (2) |
Heart failure | nominal | 32 (1) |
AF | nominal | 28 (5) |
Ischemic heart disease | nominal | 30 (26) |
Renal failure | nominal | 24 (9) |
Minimal diameter of the tumour | ratio | 40 (26) |
Maximum diameter of the tumour | ratio | 34 (24) |
Homogeneity | nominal | 13 (20) |
Lateralization | nominal | 24 (9) |
Serum sodium | ratio | 138 (2) |
Serum potassium | ratio | 4 (1) |
Suppression test with 1 mg of DXM | ratio | 1.3 (1) |
24 h urine collection for metanephrins | ratio | 119 (133) |
24 h urine collection for normetanephrins | ratio | 548 (468) |
