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Table 2 Relationships between presence of unilateral or bilateral “Velcro-type” crackles and radiologic pattern on HRCT. Data expressed as Odds ratio (OR) with 95% Confidence Intervals (95% CI) and p value

From: “Velcro-type” crackles predict specific radiologic features of fibrotic interstitial lung disease

HRCT pattern Bilateral “Velcro-type” crackles Unilateral “Velcro-type” crackles
  OR (CI 95%) p OR (CI 95%) p
FILD 13.46 (5.71–29.182) < 0.001 0.58 (0.29–1.16) 0.12
Definite UIP 19.8 (5.28–74.25) < 0.001 0.49 (0.14–1.66) 0.25
Possible UIP 13.09 (4.87–35.2) < 0.001 0.55 (0.23–1.34) 0.19
Inconsistent with UIP 10.8 (3.85–32.85) < 0.001 0.75 (0.26–2) 0.53