Table 1 Baseline characteristics and clinical features of hemodialysis patients with and without infectious spondylitis (model 1)
Variables | Patients with infectious spondylitis (n = 16) | Patients without infectious spondylitis (n = 64) | p value |
|---|---|---|---|
Age, mean ± SD, year | 60.9 ± 11.9 | 60.6 ± 11.3 | 0.93 |
Male Gender, n (%) | 7 (43.8%) | 28 (43.8%) | 1.00 |
Diabetes mellitus, n (%) | 6 (37.5%) | 24 (37.5%) | 1.00 |
Hypertension, n (%) | 8 (50%) | 46 (71.9%) | 0.10 |
Coronary artery diseases, n (%) | 3 (18.8%) | 5 (7.8%) | 0.19 |
Heart failure, n (%) | 1 (6.3%) | 4 (6.3%) | 1.00 |
Cerebral vascular diseases, n (%) | 1 (6.3%) | 7 (10.9%) | 0.58 |
Liver cirrhosis, n (%) | 2 (12.5%) | 2 (3.1%) | 0.12 |
Malignancy, n (%) | 1 (6.3%) | 7 (10.9%) | 0.58 |
Immunosuppression status, n (%) | 1 (6.3%) | 0 (0%) | 0.04 |
Degenerative spinal disease, n (%) | 14 (87.5%) | 33 (51.6%) | 0.009 |
History of spinal operation, n (%) | 1 (6.3%) | 3 (4.7%) | 0.80 |
Primary cause of ESRD | 0.18 | ||
Chronic Glomerulonephritis | 7 (43.8%) | 34 (53.1%) | |
Diabetic nephropathy | 6 (37.5%) | 24 (37.5%) | |
Polycystic kidney disease | 2 (12.5%) | 3 (4.7%) | |
Malignant hypertension | 1 (6.3%) | 0 (0%) | |
Others | 0 (0%) | 3 (4.7%) | |
HD vintage (years) | 4.65 ± 4.36 | 13.44 ± 7.30 | < 0.001 |
HD access | |||
Arteriovenous fistula | 6 (37.5%) | 44 (68.8%) | 0.021 |
Arteriovenous graft | 3 (18.8%) | 12 (18.8%) | 1.00 |
Tunneled cuffed catheter | 7 (43.8%) | 8 (12.5%) | < 0.001 |
Access operation within recent 6 months | 10 (62.5%) | 8 (12.5%) | < 0.001 |
Laboratory data (blood sample) | |||
Leukocyte count, 1000/μL | 7.53 ± 2.2 | 6.62 ± 1.7 | 0.08 |
Hemoglobin, g/dL | 8.86 ± 1.3 | 10.2 ± 1.6 | < 0.001 |
RDW, % | 16.3 ± 2.2 | 14.5 ± 1.4 | < 0.001 |
Platelet Count, 1000/μL | 181 ± 76 | 192 ± 54 | 0.48 |
BUN, mg/dL | 68.2 ± 27.8 | 67.9 ± 17.3 | 0.97 |
Creatinine, mg/dL | 9.10 ± 3.15 | 10.4 ± 2.3 | 0.06 |
Potassium, mEq/L | 4.60 ± 0.74 | 5.00 ± 0.76 | 0.06 |
Calcium, mg/dL | 9.54 ± 1.08 | 9.76 ± 0.91 | 0.42 |
Inorganic phosphorus, mg/dL | 4.98 ± 1.99 | 5.11 ± 1.49 | 0.77 |
ALT, U/L | 18.2 ± 13.2 | 15.5 ± 8.5 | 0.32 |
ALP, U/L | 131.2 ± 84.5 | 83.4 ± 38.8 | 0.001 |
Albumin, g/dL | 3.35 ± 0.65 | 3.90 ± 0.38 | 0.001 |
Glucose AC, mg/dL | 140 ± 91 | 129 ± 88 | 0.67 |
hsCRP, mg/L | 33.1 ± 43.6 | 12.4 ± 23.9 | 0.004 |
Ferritin, ng/mL | 475.7 ± 513.2 | 335.4 ± 312.7 | 0.31 |