Table 4: Comparison of laboratory findings among CTD-ILD, UCTD-ILD, and IPF patients.

CTD-ILDUCTD-ILDIPFP1 P2P3

Subject (n)636575
Erythrocyte ( /L,  mean ± SEM) 0.0750.0280.998
Hemoglobin (mg/L, mean ± SEM) 0.0710.0010.645
Platelet ( /L, mean ± SEM) 0.6030.0370.317
Hematokrit (1, mean ± SEM) 0.1290.0080.695
Alanine aminotransferase ALT (IU/L, mean ± SEM) 0.4760.0450.853
Aspartate aminotransferase AST (IU/L, mean ± SEM) 0.0740.0030.815
Serum albumin ALB (mg/L, mean ± SEM) 0.0050.0000.272
Lactate dehydrogenase LDH (IU/L, mean ± SEM) 0.0030.0100.994
Hydroxybutyric dehydrogenase HBDH (IU/L, mean ± SEM) 0.0070.0210.991
Immunoglobulin G (g/L, mean ± SEM) 0.6550.1370.311
Immunoglobulin A (mg/dL, mean ± SEM) 0.8340.9930.710
Immunoglobulin M (mg/dL, mean ± SEM) 0.7990.0040.285
Immunoglobulin E (mg/dL, mean ± SEM) 0.9661.0000.986
C3 (g/L, mean ± SEM) 0.3060.0010.034
C4 (g/L, mean ± SEM) 0.6240.0220.785

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.