Table 1.
Baseline characteristics of all patients.
| Characteristics and laboratory parameters | All patients | Positive*n = 103 | Negative n = 23 | p-value |
|---|---|---|---|---|
| Age, mean (range), years | 50.30 ± 16.55 | 52.23 ± 16.72 | 50.00 ± 18.55 | >0.05 |
| Sex, female, n (%) | 99 (78.6) | 79 (73.7) | 20 (87.0) | >0.05 |
| WBC (×109/L) | 8.60 ± 5.22 | 8.86 ± 5.21 | 8.23 ± 6.60 | >0.05 |
| Hb (×109/L) | 112.52 ± 22.56 | 114.74 ± 22.66 | 111.38 ± 23.95 | >0.05 |
| PLT (×109/L) | 228.02 ± 114.00 | 223.21 ± 120.93 | 213.31 ± 89.26 | >0.05 |
| Neutrophil (×109/L) | 7.64 ± 7.57 | 8.10 ± 9.01 | 8.44 ± 7.50 | >0.05 |
| Neutrophil% | 75.45 ± 16.96 | 75.05 ± 18.86 | 73.21 ± 24.09 | >0.05 |
| Lymphocyte (×109/L) | 1.09 ± 0.74 | 1.12 ± 0.83 | 1.01 ± 0.93 | >0.05 |
| Lymphocyte% | 15.97 ± 11.24 | 15.29 ± 10.53 | 15.27 ± 9.66 | >0.05 |
| Monocyte (×109/L) | 1.35 ± 10.11 | 0.44 ± 0.25 | 0.40 ± 0.30 | >0.05 |
| Monocyte% | 75.45 ± 16.97 | 5.80 ± 3.60 | 5.38 ± 2.48 | >0.05 |
| Erythrocyte sedimentation rate (mm/h) | 64.47 ± 43.36 | 67.09 ± 42.34 | 53.92 ± 38.99 | >0.05 |
| C-reactive protein | 53.50 ± 67.32 | 61.70 ± 77.87 | 31.82 ± 44.68 | >0.05 |
| Procalcitonin | 2.08 ± 7.04 | 2.41 ± 7.81 | 0.56 ± 0.21 | >0.05 |
| Glucocorticoid use, n (%) | 53 | 40 (38.8%) | 13 (56.5%) | >0.05 |
| DMARDs use, n (%) | 45 | 33 (32.0%) | 12 (52.2%) | >0.05 |
*The infection group included 98 mNGS positive and 5 only CDT positive. The non-infection group means negative for mNGS and CDT.