Table 1 Characteristics of 54patients with hematogenous pyogenic spondylodiscitis
variable | GNB (n = 17) | GPC (n = 37) | p |
|---|---|---|---|
Age (yr) | 65 ± 14.2 | 55 ± 14.5 | 0.014* |
Male sex (No. [%]) | 11 (65) | 31 (84) | 0.162 |
Follow-up (yr) | 4.8 (2–6) | 4.4 (2–6) | 0.372 |
Affected level (No. [%]) | |||
 1 | 14 (82) | 28 (76) | 0.732 |
 2 | 3 (18) | 9 (24) |  |
Location of spinal lesions (No. [%]) | |||
 Cervical spine | 0 | 2 (5) | 0.601 |
 Thoracic spine | 2 (12) | 5 (14) |  |
 Lumbosacral spine | 15 (88) | 30 (81) |  |
Symptoms at the initial visit (No. [%]) | |||
 Back/neck pain only | 5 (30) | 27 (73) | 0.003* |
 Constitutional symptoms only | 6 (35) | 2 (5) |  |
 Back pain with constitutional symptoms | 6 (35) | 8 (22) |  |
Duration of symptoms (day) | 18 ± 21.8 | 37 ± 51.6 | 0.162 |
Comorbidity (No. [%]) | |||
 Diabetes mellitus | 4 (24) | 18 (49) | 0.135 |
 End stage renal failure with hemodialysis | 0 | 5 (30) | 0.168 |
 Chronic liver disease | 6 (35) | 12 (32) | 0.824 |
 Malignancy | 7 (41) | 1 (3) | <0.001* |
 Intravenous drug abuse | 0 | 6 (16) | 0.161 |
Neurologic symptoms (No. [%]) | 12 (71) | 22 (59) | 0.432 |
 Radicular pain | 9 (53) | 13 (35) |  |
 Limb weakness | 7 (41) | 11 (30) |  |
 Cauda equina syndrome | 2 (12) | 3 (8) |  |
Type of surgery (No. [%]) | |||
 Anterior surgery | 6 (35) | 16 (43) | 0.846 |
 Posterior surgery | 7 (41) | 7 (19) |  |
 Combined surgery | 4 (24) | 14 (38) |  |
Clinical outcome (No. [%]) | |||
 Delayed wound healing | 1 (6) | 7 (19) | 0.411 |
 Relapse | 1 (6) | 10 (27) | 0.143 |
 Death | 3 (18) | 5 (14) | 0.7 |
Radiologic result (No. [%]) | |||
 Solid fusion | 14 (82) | 32 (86) | 0.696 |
 Segmental instability | 0 | 0 |  |