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Table 4 Multivariate logistic regression analysis using the following variables: number of crackles ≧13.2/inspiratory phase, onset timing (early), and F99 ≧752 Hz toward the presence of honeycombing findings

From: The acoustic characteristics of fine crackles predict honeycombing on high-resolution computed tomography

Variable

OR

95% CI

P

Number of crackles (≧13.2/inspiratory phase)

33.907

2.576–446.337

0.007

Frequency F99 (≧752 Hz)

19.397

2.311–162.813

0.006

Onset timing (early)

12.383

1.443–106.293

0.022

  1. Data are presented as odds ratios (OR) with 95% confidence intervals (CI) and P values. F99 Frequency in Hz at 99% of the total signal power
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BMC Pulmonary Medicine

ISSN: 1471-2466

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