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Table 3 The associations of blood Cd with the prognosis in COPD patients

From: Association of blood cadmium concentration with chronic obstructive pulmonary disease progression: a prospective cohort study

 

Univariable (95% CI)

P

Multivariable (95% CI) *

P

Acute exacerbation (n)

    

  ≤ 2

1

–

1

–

  > 2

2.238 (1.169, 4.288)

0.010

2.262 (1.031, 4.243)

0.044

Hospitalization (n)

    

  ≤ 2

1

–

1

—

  > 2

1.276 (1.134, 1.564)

0.001

4.053 (0.423, 38.809)

0.254

Hospital stays (d)

    

  ≤ 8

1

–

1

–

 8 ~ 15

2.208 (0.937, 5.203)

0.132

0.672 (0.010, 46.030)

0.612

  ≥ 15

3.224 (1.382, 7.521)

0.005

2.352 (1.112, 6.597)

0.022

Death

    

 No

1

–

1

–

 Yes

1.689 (1.057, 2.698)

0.021

2.119 (1.131, 7.113)

0.045

  1. *Age, sex, smoking amount, comorbidities, inhaled therapy for COPD, and pulmonary function indices were adjusted. Bold values indicate statistical significance
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Respiratory Research

ISSN: 1465-993X

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