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Table 1 Comparison in demographic and clinical characteristics of NTM patients between slowly growing mycobacteria and rapidly growing mycobacteria at Guangzhou Chest Hospital, China, January 1, 2013 to December 31, 2017

From: Epidemiology of pulmonary disease due to nontuberculous mycobacteria in Southern China, 2013–2016

Characteristics

No. of pulmonary NTM cases (%)

Univariate analysis

Multivariate analysis

SGM

(n = 344)

RGM

(n = 263)

OR (95% CI)

P value

OR (95% CI)

P value

Gender

 Female

170 (49.4)

171 (65.0)

0.526 (0.378–0.731)

< 0.001

0.608 (0.429–0.862)

0.005

 Male

174 (50.6)

92 (35.0)

1.000

1.000

Age group (years)

 18–40

34 (9.9)

53 (20.2)

1.000

1.000

 40–60

122 (35.5)

106 (40.3)

0.557 (0.337–0.922)

0.023

0.488 (0.287–0.827)

0.008

 > 60

188 (54.7)

104 (39.5)

0.355 (0.217–0.581)

< 0.001

0.395 (0.235–0.666)

< 0.001

TB history

 No

149 (43.8)

96 (36.5)

1.000

  

 Yes

195 (57.4)

167 (63.5)

1.329 (0.953–1.852)

0.093

  

Population

 Residence

168 (48.8)

89 (33.8)

1.000

1.000

 Migration

176 (51.2)

174 (66.2)

1.855 (1.331–2.585)

< 0.001

1.551 (1.092–2.202)

0.014

Diabetes

 No

328 (95.3)

252 (95.8)

1.000

  

 Yes

16 (4.7)

11 (4.2)

0.895 (0.408–1.962)

0.895

  

Bronchiectasis

 No

158 (45.9)

93 (35.4)

1.000

1.000

 Yes

186 (54.1)

170 (64.6)

1.553 (1.116–2.16)

0.009

1.521 (1.064–2.176)

0.021

COPD

      

 No

326 (94.8)

256 (97.3)

1.000

  

 Yes

18 (5.2)

7 (2.7)

0.495 (0.204–1.204)

0.121

  

Tumor

 No

321 (93.3)

251 (95.4)

1.000

  

 Yes

23 (6.7)

12 (4.6)

0.667 (0.326–1.367)

0.269

  
  1. SGM slowly growing mycobacteria, RGM rapidly growing mycobacteria, COPD chronic obstructive pulmonary disease, OR odds ratio, 95% CI 95% confidence interval