Variable | Autoimmune (n = 91) | Infectious (n = 101) | P |
Clinical variables | |||
Age | 48.1 ± 17.6 | 55.0 ± 15.9 | 0.005 |
Sex (Female) | 64 (70.3%) | 48 (47.5%) | 0.001 |
In-hospital duration (d) | 22.6 ± 15.1 | 21.7 ± 23.4 | 0.72 |
Laboratory variables | |||
WBC count (/μL) | 8,060.3 ± 6,611.2 | 8,285.8 ± 3,453.5 | 0.76 |
Hemoglobin (g/dL) | 10.4 ± 1.4 | 12.8 ± 11.1 | 0.041 |
Platelet count (×1,000/μL) | 259.3 ± 163.7 | 343.5 ± 131.8 | <0.001 |
Neutrophil count (/μL) | 6,561.2 ± 6,409.8 | 5,925.0 ± 3,226.5 | 0.37 |
Lymphocyte count (/μL) | 1,047.9 ± 632.7 | 1497.1 ± 684.7 | <0.001 |
Monocyte count (/μL) | 339.7 ± 256.3 | 481.3 ± 236.0 | <0.001 |
ESR (mm/h) | 66.2 ± 34.7 | 75.3 ± 31.8 | 0.007 |
CRP (mg/L) | 73.4 ± 69.6 | 56.6 ± 50.5 | 0.059 |
BUN (mg/dL) | 12.1 ± 7.0 | 11.9 ± 6.1 | 0.83 |
Cr (mg/dL) | 0.7 ± 0.5 | 0.9 ± 1.1 | 0.12 |
AST (IU/L) | 107.5 ± 253.8 | 27.0 ± 22.0 | 0.001 |
ALT (IU/L) | 54.9 ± 79.3 | 28.6 ± 32.7 | 0.002 |
Total bilirubin (mg/dL) | 0.6 ± 0.7 | 0.6 ± 1.2 | 0.70 |
Total protein (mg/dL) | 6.1 ± 0.9 | 6.8 ± 0.8 | <0.001 |
Albumin (mg/dL) | 2.9 ± 0.5 | 3.4 ± 0.6 | <0.001 |
Ferritin (ng/mL) | 3,537.8 ± 5,616.5* | 598.4 ± 723.6† | 0.005 |
↵* Number is confined to patients who underwent each test (n = 82).
↵† Number is confined to patients who underwent each test (n = 30).
WBC = white blood cell; ESR = erythrocyte sedimentation rate; CRP = C-reactive protein; BUN = blood urea nitrogen; Cr = creatinine; AST = aspartate aminotransferase; ALT = alanine aminotransferase.
Data are mean ± SD or number.