Table 1.

Demographic and clinical characteristics of analysed participants

		Culture-confirmed tuberculosis (n=212)	Highly probable tuberculosis (n=89)	Clinically indeterminate (n=34)	Other diseases (n=327)
Age, years
	Median (IQR)	32 (26–42)	36 (28–45)	45 (27–57)	43 (33–56)
	Range	16–81	18–76	16–79	17–87
Sex
	Male	149 (70%)	45 (51%)	13 (38%)	189 (58%)
	Female	62 (30%)	44 (49%)	21 (62%)	138 (42%)
Ethnic origin
	Asian	12 (6%)	3 (3%)	4 (12%)	12 (4%)
	Black	36 (17%)	17 (19%)	8 (24%)	62 (19%)
	Hispanic	1 (<1%)	0	0 (0%)	1 (<1%)
	Indian subcontinent	139 (66%)	61 (69%)	11 (32%)	150 (46%)
	Middle Eastern	3 (1%)	0	0 (0%)	11 (3%)
	Mixed	2 (1%)	0	0 (0%)	7 (2%)
	White	19 (9%)	8 (9%)	11 (32%)	83 (25%)
	Unknown	0	0	0	0
Body-mass index, kg/m2
	Median (IQR)	22·6 (20·2–25·4)	22·5 (20·8–25·2)	23·6 (20·5–30·5)	24·4 (21·2–27·9)
	Range	15·7–48·5	14·6–42·2	12·7–45·2	14·8–47·2
Recent known tuberculosis contact		52 (25%)	17 (19%)	11 (32%)	70 (21%)
History of previous tuberculosis		8 (4%)	6 (7%)	0	41 (13%)
Comorbidities
	HIV positive	9 (4%)	11 (12%)	0	25 (8%)
	None	147 (69%)	59 (66%)	14 (41%)	141 (43%)
	Asthma	12 (6%)	4 (4%)	4 (12%)	38 (12%)
	Diabetes	12 (6%)	3 (3%)	5 (15%)	39 (12%)
	Other	41 (19%)	24 (27%)	17 (50%)	138 (42%)
Symptoms
	Cough	142 (67%)	47 (53%)	16 (47%)	238 (73%)
	Fever	106 (50%)	40 (45%)	6 (18%)	144 (44%)
	Night sweat	111 (52%)	47 (53%)	15 (44%)	152 (46%)
	Weight loss	128 (60%)	46 (52%)	12 (35%)	154 (47%)
	Haemoptysis	23 (11%)	8 (9%)	1 (3%)	53 (16%)
	Lethargy	113 (53%)	49 (55%)	17 (50%)	168 (51%)
	Other symptoms	131 (62%)	54 (61%)	21 (62%)	144 (44%)

Data are n (%), unless otherwise specified.