| Concepts | Linguistic Variables |
| C1: Cough > 3 weeks | None (No Cough), Moderate (Productive Cough), Severe (Non-Productive Cough) |
| C2: Headache | None, Mild, Moderate, Severe and Very Severe |
| C3: Constipation | Absence, Presence (Absence = 0, Presence = 1) |
| C4: Fever | None, Mild (Low grade fever: 36˚ - 38.4˚), Severe (high grade fever > 38.5˚) |
| C5: Weight Loss | None, Mild, Moderate, Severe and Very Severe |
| C6: Drenching night sweats | Absence, Presence (Absence = 0, Presence = 1) |
| C7: Loss of appetite | Absence, Presence (Absence = 0, Presence = 1) |
| C8: Anaemia | None, Mild, Moderate, Severe and Very Severe |
| C9: Sputum AFB | None, (+)Mild, (++)Moderate, (+++)Severe, (++++)Very Severe, |
| C10: Mantoux Test | None (0 - 5 mm), Mild (5 - 6 mm), Moderate (7 - 8 mm), Severe (9 - 10 mm) and Very Severe (≥10 mm) |
| C11: Haemoptysis (Coughing of blood) | Absence, Presence (Absence = 0, Presence = 1) |
| C12: Tachypnea (Fast Breathing) | Mild, Moderate, Severe and Very Severe |
| DS: Severity of the Disease | None, Mild, Moderate, Severe and Very Severe |