Table 3.
Sites of infection
| Variables | Burkholderia pseudomallei septic arthritis (%, N = 74) | Other septic arthritis (%, N = 80) | P value* |
|---|---|---|---|
| No. of joints involved | |||
| 1 (monoarthritis) | 61 (82) | 58 (73) | 0.18 |
| ≥ 2 (Polyarthritis) | 13 (18) | 22 (28) | – |
| Location of joints | |||
| Knee | 39 (53) | 59 (74) | 0.01 |
| Shoulder | 14 (19) | 9 (11) | 0.23 |
| Hip | 14 (19) | 5 (6) | 0.03 |
| Ankle | 11 (15) | 14 (18) | 0.67 |
| Wrist | 5 (7) | 12 (15) | 0.13 |
| Elbow | 4 (5) | 2 (3) | 0.43 |
| Sternoclavicular | 1 (1) | 4 (5) | 0.37 |
| Osteomyelitis | 3 (4) | 7 (9) | 0.33 |
| Other organ involvements | |||
| Blood† | 64/74 (86) | 49/79 (62) | 0.001 |
| Lung | 19 (26) | 1 (1) | < 0.001 |
| Soft tissue | 13 (18) | 16 (20) | 0.84 |
| Skin | 3 (4) | 8 (10) | 0.21 |
| Urinary tract | 8 (11) | 2 (3) | 0.05 |
| Bone | 3 (4) | 7 (8) | 0.33 |
| Central nervous system | 3 (4) | 3 (4) | > 0.99 |
| Lymph node | 2 (3) | 0 | 0.23 |
| Liver or splenic abscess‡ | 16/51 (31) | 0/8 (0) | 0.09 |
*
P value derived using χ2 test or Fisher’s exact test.
†
Blood culture was not performed in one case.
‡
In patients who had abdominal imaging by ultrasonography, CT scan, or MRI.