Table 2.

Severity score

I. Clinical signs and symptoms	Score if present
Cough	10
Dyspnoea	10
Night sweats	10
Haemoptysis
At least one episode	10
More than one episode	20
Chest pain	10
Decreased body mass index (BMI) in adults
BMI < 25 to 18.5	2
BMI < 18.5 to 17	4
BMI < 17 to 16	6
BMI < 16	10
Low BMI for age percentile in children
BMI < 50th but > 25th percentile for age	2
BMI in the 25th to no more than 10th percentile	4
BMI in the 10th to more than 5th percentile	6
BMI below the 5th percentile	10
Anemia	10
Fever	10
Signs at lung auscultation	10
Extra-thoracic involvement	20
II. Chest-X-ray assessment	Score if present
Extension of the lesion (each lung is assessed independently)
No more than one third of the lung field affected	10
One third to no more than two third of the lung field affected	20
Two third or more of the lung field affected	30
Type of lesion (each lung is assessed independently)
Infiltration patterns	10
Pleural effusion	10
Cavitary lesion	20
Caseating pneumonia	20
Miliary tuberculosis	20
Lung fibrosis	20
Intra-thoracic lymphadenopathy	10