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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