Table 1.
Demographics and comorbidities of patients with native vertebral osteomyelitis and vertebral osteomyelitis after spinal injection
| Total N = 283 |
Native N = 239 |
Spinal injection N = 44 |
P value | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | (%) | N missing | N | (%) | N missing | N | (%) | N missing | ||
| Female | 98 | (34.6) | 0 | 84 | (35.1) | 0 | 14 | (31.8) | 0 | 0.73 |
|
Age, years, median (IQR) |
70 | (60.5–77) | 0 | 70.5 | (61–78) | 0 | 66.5 | (57–71) | 0 | 0.02 |
|
BMI, kg/m2, median (IQR) |
25.7 | (22.4–29.45) | 30 | 25.6 | (22–29.4) | 23 | 26.8 | (23.25–31.35) | 7 | 0.13 |
|
Number of comorbidities, mean (SD) |
1.3 | (1.18) | 0 | 1.38 | (1.15) | 0 | 0.95 | (1.3) | 0 | 0.03 |
| Charlson comorbidity index | 0 | 0 | 0 | |||||||
| CCI 0 | 11 | (3.9) | 8 | (3.4) | 3 | (6.8) | 0.006 | |||
| CCI 1–2 | 66 | (23.3) | 50 | (20.9) | 16 | (36.4) | ||||
| CCI 3–4 | 93 | (32.8) | 77 | (32.2) | 16 | (36.4) | ||||
| CCI 5 and above | 113 | (39.9) | 104 | (43.5) | 9 | (20.5) | ||||
| Conditions | ||||||||||
| Autoimmune disease | 18 | (6.4) | 0 | 14 | (5.9) | 0 | 4 | (9.1) | 0 | 0.5 |
| Diabetes | 72 | (25.4) | 0 | 63 | (26.4) | 0 | 9 | (20.5) | 0 | 0.46 |
| Alcohol Abuse | 19 | (6.7) | 0 | 15 | (6.3) | 0 | 4 | (9.1) | 0 | 0.51 |
| Intravenous drug use | 12 | (4.2) | 0 | 11 | (4.6) | 0 | 1 | (2.3) | 0 | 0.7 |
| Malignancy | 66 | (13.3) | 0 | 55 | (23) | 0 | 11 | (25) | 0 | 0.85 |
| Chronic renal failure | 48 | (16.9) | 0 | 45 | (18.8) | 0 | 3 | (6.8) | 0 | 0.04 |
| Chronic heart failure | 54 | (19.1) | 0 | 51 | (21.3) | 0 | 3 | (6.8) | 0 | 0.02 |
| Endocarditis | 16 | (5.7) | 0 | 16 | (6.7) | 0 | 0 | (0) | 0 | 0.15 |
IQR interquartile range, SD standard deviation, CCI Charlson comorbidity index, BMI body mass index