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Table 3 Multivariate logistic regression analysis on acoustic features of fine crackles 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

Timing (early vs. not early)

10.407

1.366–79.298

0.024

Frequency F99 (per 100 Hz)

5.953

1.221–28.317

0.029

Number of crackles (per 5 crackles)

4.256

1.098–16.507

0.036

LDW

1.337

0.214–8.365

0.756

Age

1.074

0.940–1.228

0.293

  1. Data are presented as odds ratios (OR) with 95% confidence intervals (CI) and P values. The number of fine crackles was determined per inspiratory phase. F99 Frequency in Hz at 99% of the total signal power, LDW Largest deflection width