Table 1. Characteristics of the sample.

Characteristics	Pulmonary TB	Other respiratory diseases	p value (univariated analysis)
	n = 30 (15.0%)	n = 169 (84.9%)
Demographic characteristics
Age, yr	41.3±14.7	56.4±17.6	<0.0001
Male sex	12 (40.0)	85 (50.3)	0.298
White race	19 (63.3)	115 (68.0)	0.612
Current smoker	8 (26.7)	44 (26.0)	0.942
Alcoholism	4 (13.3)	14 (8.3)	0.374
Drug use	1 (3.3)	8 (4.7)	0.734
Institutionalization	2 (6.7)	9 (5.3)	0.767
Diabetes	2 (6.7)	20 (11.8)	0.406
Previous TB	3 (10.0)	32 (18.9)	0.236
Symptoms
Spontaneous sputum	21 (70.0)	153 (90.5)	0.002
Weight loss	24 (80.0)	104 (61.5)	0.052
Night sweats	20 (66.7)	87 (51.5)	0.124
Dyspnea	15 (50.0)	135 (79.9)	<0.0001
Chest pain	19 (63.3)	117 (69.2)	0.522
Fever	26 (86.7)	88 (52.1)	<0.0001
Hemoptysis	3 (10.0)	36 (21.3)	0.318
Duration of cough before admission, days	30.0 (15.0–60.0)	21.0 (14.0–60.0)	0.053
Surgical mask use	13 (43.3)	40 (23.7)	0.025
Radiographic patterns
Typical of TB	17 (56.7)	19 (11.2)	<0.0001
Compatible with TB	13 (43.3)	65 (38.5)	0.614
Atypical	0 (0)	85 (50.3)	<0.0001
Mechanical ventilation	4 (13.3)	3 (1.8)	0.002
Emergency room length of stay, d	1.0 (0.5–2.0)	1.0 (0.5–3.0)	0.323
Total length of stay, d	9.5 (2.0–18.3)	2.0 (0.5–8.0)	0.001
In-hospital mortality	2 (6.7)	8 (4.7)	0.655

Continuous variables (age) are presented as mean ± SD; other data are presented as n/N (%): number of cases with characteristic/total number of cases (percentage in the group), or median (interquartile range).