Clinical characteristics of patients with bronchiectasis with nontuberculous mycobacterial disease in Mainland China: a single center cross-sectional study

Table 2 Demographic characteristics of bronchiectasis patients with and without NTM pulmonary disease

Characteristic	Patients with NTM	Patients without NTM	P value
No. of patients	47	155
Specimens of NTM isolation
BALF	30 (63.8)	85 (54.8)	0.276
Age (years) mean ± SD	62.6 ± 10.7	58 ± 14	0.042
Female n (%)	37 (78.7)	96 (60.6)	0.023
BMI < 20 kg/m²	23 (48.9)	43 (27.7)	0.007
Smoking status: n (%)			0.125
Current	5 (10.6)	12 (7.7)
Second-hand smoke	4 (8.5)	16 (10.3)
Past	2 (4.3)	26 (16.8)
Never	36 (76.6)	101 (65.2)
Selected comorbidities^a
Cardiovascular	10 (21.3)	60 (38.7)	0.028
Cerebrovascular	2 (4.3)	11 (7.1)	0.737
Osteoporosis	3 (6.4)	10 (6.5)	1.000
Depression	1 (2.1)	2 (1.3)	0.550
Diabetes	1 (2.1)	30 (19.4)	0.004
Asthma	2 (4.3)	5 (3.2)	0.665
COPD	4 (8.5)	23 (14.8)	0.264
Sinusitis	3 (6.4)	19 (12.3)	0.257
Prior medical history^a
Tuberculosis	11 (23.4)	27 (17.4)	0.358
Connective tissue disease	1 (2.1)	12 (7.7)	0.307
Gastro-esophageal reflux disease	8 (17.0)	17 (11.0)	0.270
Tumor	3 (6.4)	6 (3.9)	0.437
Lobectomy	2 (4.3)	13 (8.4)	0.528

BMI Body Weight Index; COPD Chronic obstructive pulmonary disease; BALF bronchoalveolar lavage fluid
^aComorbidities and prior medical history were extracted from clinical case data or patient answers

ISSN: 1471-2334