Table 1. Subject information and classification.

Subject	PF ADA	PF %L	Culture	Exudate	TST	HIV	Tx Response	Classification
1	n/d	88	neg	yes	pos	neg	improved	Probable TB
2	55	87	neg	yes	pos	neg	improved	Probable TB
3	39	95	neg	yes	n/d	neg	improved	Probable TB
4	51	81	neg	yes	pos	neg	improved	Probable TB
5	110	45	neg	yes	neg	pos	not given	Pneumonia
6	41	91	pos	yes	n/d	pos	improved	Definite TB
7	47	86	neg	yes	pos	neg	improved	Probable TB
8	45	73	neg	yes	pos	neg	improved	Probable TB
9	24	89	neg	yes	n/d	neg	not given	Cirrhosis
10	59	36	pos	yes	neg	pos	died	Definite TB
11	29	15	neg	yes	n/d	neg	died	Pneumonia
12	45	94	neg	yes	pos	neg	improved	Probable TB
13	58	n/d	neg	yes	neg	pos	improved	Probable TB
14	33	86	pos	yes	pos	pos	improved	Definite TB
15	45	93	n/d	yes	pos	neg	improved	Probable TB
16	29	94	neg	yes	neg	neg	died	Probable TB
17	16	77	n/d	yes	neg	neg	improved	Probable TB
18	58	62	pos	yes	n/d	neg	improved	Definite TB
19	689	65	pos	yes	pos	neg	improved	Definite TB
20	52	34	pos	yes	pos	neg	improved	Definite TB
21	1463	40	neg	yes	neg	neg	not given	Pneumonia
22	38	46	neg	yes	pos	neg	improved	Probable TB
23	n/d	39	neg	yes	neg	n/d	not given	Malignancy
24	39	84	neg	yes	neg	pos	improved	Probable TB
25	26	91	neg	yes	pos	neg	improved	Probable TB
26	0.82	84	neg	no	neg	neg	not given	Cirrhosis
27	45	83	neg	yes	pos	neg	improved	Probable TB
28	37	93	neg	yes	pos	neg	not given	Pneumonia
29	15	28	neg	yes	neg	neg	died	Probable TB
30	47	85	neg	yes	pos	pos	not given	Pneumonia
31	9	91	n/d	yes	neg	neg	not given	Malignancy
32	57	71	neg	yes	n/d	neg	improved	Probable TB
33	30	85	neg	yes	n/d	neg	not given	Unknown
34	6	88	neg	yes	neg	neg	improved	Probable TB
35	71	82	pos	yes	neg	pos	improved	Definite TB
36	39	n/d	neg	yes	pos	neg	improved	Probable TB
37	54	96	neg	yes	pos	neg	improved	Probable TB
38	59	34	neg	yes	neg	pos	Improved	Probable TB
39	0	n/d	neg	no	neg	n/d	not given	Cirrhosis
40	24	74	neg	yes	pos	neg	improved	Probable TB
41	68	85	n/d	yes	neg	neg	Improved	Probable TB

ADA = Adenosine Deaminase; n/d = not done; TST = Tuberculin skin test; PF = pleural fluid; %L = % lymphocytes; Exudate = PF protein >30 g/L and glucose >3.3 mmol/L; pos = positive; neg = negative; HIV = Human Immunodeficiency Virus; Culture = bacteriological culture of sputum or pleural fluid; Tx = treatment.