Comparison of Characteristics of Connective Tissue Disease-Associated Interstitial Lung Diseases, Undifferentiated Connective Tissue Disease-Associated Interstitial Lung Diseases, and Idiopathic Pulmonary Fibrosis in Chinese Han Population: A Retrospective Study
Table 4
Comparison of laboratory findings among CTD-ILD, UCTD-ILD, and IPF patients.
CTD-ILD
UCTD-ILD
IPF
P1
P2
P3
Subject (n)
63
65
75
Erythrocyte (/L, mean ± SEM)
0.075
0.028
0.998
Hemoglobin (mg/L, mean ± SEM)
0.071
0.001
0.645
Platelet (/L, mean ± SEM)
0.603
0.037
0.317
Hematokrit (1, mean ± SEM)
0.129
0.008
0.695
Alanine aminotransferase ALT (IU/L, mean ± SEM)
0.476
0.045
0.853
Aspartate aminotransferase AST (IU/L, mean ± SEM)
0.074
0.003
0.815
Serum albumin ALB (mg/L, mean ± SEM)
0.005
0.000
0.272
Lactate dehydrogenase LDH (IU/L, mean ± SEM)
0.003
0.010
0.994
Hydroxybutyric dehydrogenase HBDH (IU/L, mean ± SEM)
0.007
0.021
0.991
Immunoglobulin G (g/L, mean ± SEM)
0.655
0.137
0.311
Immunoglobulin A (mg/dL, mean ± SEM)
0.834
0.993
0.710
Immunoglobulin M (mg/dL, mean ± SEM)
0.799
0.004
0.285
Immunoglobulin E (mg/dL, mean ± SEM)
0.966
1.000
0.986
C3 (g/L, mean ± SEM)
0.306
0.001
0.034
C4 (g/L, mean ± SEM)
0.624
0.022
0.785
P1: Possibility when comparing CTD-ILD group and UCTD-ILD group. P2: Possibility when comparing CTD-ILD group and IPF group. P3: Possibility when comparing UCTD-ILD group and IPF group.