Table 5.
Summary of interventions
| Initial intervention (%) | → | Secondary intervention (%) | → | Further interventions (%) | |||
| AB | 5 (7.9) | → | RA | 1/5 (20) | |||
| Other | 1/5 (20) | ||||||
| RD | 43 (68) | → | RA | 1/43 (2.3) | |||
| SG | 5/43 (12) | ||||||
| RD | 13/43 (30) | → | SG | 1/13 (7.7) | |||
| RD | 3/13 (23) | ||||||
| RA | 11 (18) | → | RD | 2/11 (18) | |||
| SG | 2/11 (18) | ||||||
| SG | 2 (3.2) | - | - | ||||
| Other | 2 (3.2) | → | SG | 1/2 (50) | |||
AB: Antibiotics only; RA: Image guided aspiration of abscess; RD: Image guided insertion of indwelling drain; SG: Surgical intervention. Note that all patients received intravenous antibiotics before any interventional treatment.