Table 1.

Clinical characteristics of patients.

	NTM-LD (n = 59)	PTB-LD (n = 57)	Chi-squared test	p value
Cough	27 (45.76%)	36 (63.16%)	3.535	0.060
Sputum production	25 (42.37%)	31 (54.39%)	1.676	0.196
Fever	17 (28.81%)	20 (35.09%)	0.525	0.469
Chest pain	3 (5.08%)	8 (14.04%)	2.706	0.100
Hemoptysis	7 (11.86%)	7 (12.28%)	0.005	0.945
Fatigue	4 (6.78%)	1 (1.75%)	0.766	0.382
Emaciation	4 (6.78%)	2 (3.51%)	0.141	0.707
Shortness of breath	1 (1.69%)	4 (7.02%)	0.910	0.340
Smoker	15 (25.42%)	14 (24.56%)	0.011	0.915
Diabetes mellitus	9 (15.25%)	8 (14.04%)	0.034	0.853
COPD	5 (8.47%)	5 (8.77%)	0.000	1.000

COPD stands for chronic obstructive pulmonary disease; p < 0.05 indicates significant difference.