Table 1 Baseline characteristics, common primary problem, and blood test results.
CMV-positive patients (n = 85) | CMV-negative patients (n = 387) | p value | |
|---|---|---|---|
Baseline characteristics and common primary problem | |||
Age, mean ± SD, years | 71.2 ± 15.1 | 64.4 ± 18.4 | 0.0022 |
Female, n (%) | 65 (76.4%) | 267 (69.0%) | 0.0290 |
Duration between maximum dose of PSL and C7-HRP measurement, mean ± SD, days | 263.5 ± 944.6 | 535.8 ± 1360.0 | 0.2228 |
Microscopic polyangiitis, n (%) | 18 (21.2%) | 15 (3.9%) | < 0.0001 |
Rheumatoid arthritis, n (%) | 16 (18.8%) | 131 (33.9%) | 0.0009 |
Systemic lupus erythematosus, n (%) | 14 (16.5%) | 53 (13.7%) | 0.0761 |
Adult-onset Still’s disease, n (%) | 6 (7.1%) | 5 (1.3%) | 0.0002 |
Dermatomyositis, n (%) | 4 (4.7%) | 17 (4.4%) | 0.1026 |
Eosinophilic granulomatosis with polyangiitis, n (%) | 4 (4.7%) | 12 (3.1%) | 0.0706 |
Systemic sclerosis, n (%) | 4 (4.7%) | 8 (2.1%) | 0.0273 |
Sjogren’s syndrome, n (%) | 2 (2.4%) | 23 (5.9%) | 0.0305 |
Takayasu arteritis, n (%) | 2 (2.4%) | 7 (1.8%) | 0.0959 |
Granulomatosis with polyangiitis, n (%) | 2 (2.4%) | 4 (1.0%) | 0.0530 |
Anti-synthetase syndrome, n (%) | 2 (2.4%) | 4 (1.0%) | 0.0530 |
Mixed connective tissue disease, n (%) | 2 (2.4%) | 4 (1.0%) | 0.0530 |
Polymyalgia rheumatica, n (%) | 1 (1.2%) | 27 (7.0%) | 0.0065 |
Proliferative nephritis, n (%) | 1 (1.2%) | 13 (3.4%) | 0.0467 |
Behcet’s disease, n (%) | 1 (1.2%) | 13 (3.4%) | 0.0467 |
Giant cell arteritis, n (%) | 1 (1.2%) | 9 (2.3%) | 0.0759 |
IgG4-related disease, n (%) | 1 (1.2%) | 7 (1.8%) | 0.0921 |
Polymyositis, n (%) | 1 (1.2%) | 4 (1.0%) | 0.1027 |
Malignant rheumatoid arthritis, n (%) | 1 (1.2%) | 2 (0.5%) | 0.0740 |
Blood test results | |||
White blood cell count, mean ± SD, /µL | 9260 ± 5190 | 8580 ± 4900 | 0.0001 |
Neutrophil count, mean ± SD, /μL | 7720 ± 4660 | 6440 ± 4040 | 0.0001 |
Lymphocyte count, mean ± SD, /μL | 820 ± 660 | 1190 ± 980 | < 0.0001 |
Hemoglobin level, mean ± SD, g/dL | 10.4 ± 2.1 | 11.1 ± 2.3 | < 0.0001 |
Platelet count, mean ± SD, /μL | 233,000 ± 125,000 | 259,000 ± 119,000 | 0.0002 |
Albumin level, mean ± SD, g/dL | 2.9 ± 0.6 | 3.4 ± 0.8 | 0.0104 |
Creatinine level, mean ± SD, mg/dL | 1.2 ± 1.0 | 0.9 ± 0.6 | 0.0026 |
