Table 5.
Risk Factors for 90-Day Postdischarge ED Visit or Readmission Among Patients Treated for PLA
| Variable | Patients With ED Visits or Readmissions (n = 65) |
Patients Without ED Visits or Readmissions (n = 55) |
P Values |
|---|---|---|---|
| Age, mean (range) | 61 (13–91) | 62 (23–92) | .995 |
| Comorbidities, no. (%) | |||
| Malignancy | 42 (63) | 17 (31) | .003 |
| Biliary disease | 23 (35) | 12 (22) | .103 |
| Abscess size >5 (cm), mean (%)* | 27 (50) | 26 (47) | .322 |
| Microbiology unknown, no. (%) | 12 (18) | 10 (18) | .969 |
| Inpatient intervention, no. (%) | |||
| Surgery | 8 (12) | 2 (4) | .087 |
| Percutaneous aspiration | 10 (15) | 13 (24) | .253 |
| Percutaneous drainage | 40 (62) | 36 (65) | .657 |
| Antibiotics alone | 7 (11) | 4 (7) | .508 |
| ID consult, no. (%) | 41 (63) | 37 (67) | .631 |
| Discharge with IV antibiotics, no. (%) | 17 (26) | 14 (25) | .931 |
| Discharge with drain, no. (%) | 40 (62) | 30 (55) | .439 |
| Length of stay <5 days | 20 (31) | 21 (38) | .394 |
| Length of antibiotic course <30 days | 25 (38) | 23 (42) | .863 |
| Follow-up appointments <3 within 90 days, no. (%) | 32 (49) | 25 (45) | .680 |
Abbreviations: ED, emergency department; ID, infectious diseases; IV, intraveneous; PLA, pyogenic liver abscesses.
*Of 88 patients in which the abscess size was documented.