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Table 3 The correlation between quantitative values for ILDs and mild and severe fibrosis by qualitative measures

From: The qualitative and quantitative high-resolution computed tomography in the evaluation of interstitial lung diseases

Parameters HRCT P value
Mild (n = 14) Severe (n = 36)
TLV (cc) inspiratory    0.040*
Range 4001–12,937 4714–10,485
Mean ± SD 9087.64 ± 2786.62 7649.94 ± 1878.84
MLD (HU) inspiratory    0.888
 Range − 794 to − 748 − 949 to − 683
 Mean ± SD − 771.21 ± 16.01 − 768.77 ± 63.12
HAA % inspiratory    0.272
 Range 12.8–21.4 5.6− 39.9
 Mean ± SD 18.72 ± 3.52 21.06 ± 7.53
LAA % inspiratory    0.903
 Range 14–49.8 13–60
 Mean ± SD 32.76 ± 14.98 32.13 ± 16.78
TLV (cc) expiratory    0.607
 Range 3775–11,963 4443–11,581
 Mean ± SD 8289.85 ± 2601.1 7924.36 ± 2089.21
MLD (HU) expiratory    0.036*
Range − 790 to − 746 − 805 to − 692
Mean ± SD − 769.35 ± 16.12 − 749.97 ± 32
HAA % expiratory    0.006*
Range 13.2–25.4 14.6–35.5
Mean ± SD 19.17 ± 3.85 23.89 ± 5.68
LAA % expiratory    0.348
 Range 13.5–48.2 13.4–62
 Mean ± SD 33.44 ± 14.45 38.18 ± 16.36
  1. *Significant correlation at p value < 0.05