Table 1 Study Characteristics
From: Red flags for the early detection of spinal infection in back pain patients
Characteristics | Total | Sum of papers |
|---|---|---|
No. patients | 2224 | 40 |
Gender | Â | 39 |
 Male (%) | 1385 (62.3) |  |
 Female (%) | 773 (37.7) |  |
Age (mean ± SD) years | 55.4 (± 8.2) | 35 |
Data Collection Period (mean ± SD) years | 8 (± 4) | 40 |
Diagnostic Tests positive/performed (%) | Â | Â |
 Plain Radiograph | 599/773 (77.5) | 14 |
 MRI | 505/632 (80.0) | 22 |
CT Scan | 342/395 (86.6) | 15 |
 Bone Scan | 215/232 (92.7) | 11 |
 Gallium Scan | 65/72 (90.3) | 5 |
 Myelogram | 39/46 (84.5) | 3 |
 Ultrasound | 8/39 (20.5) | 3 |
 Laboratory tests* | 2322/3867 (60.0) | 33 |
 Surgery | 93/112 (83.0) | 6 |
World Bank Classification by income (%) | Â | 40 |
 High Income (HI) | 34 (85.0) |  |
 Upper Middle Income (UMI) | 6 (15.0) |  |
 Lower Middle Income (LMI) | 0 |  |
 Lower Income (LI) | 0 |  |