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. 2017 Jul 27;4(3):ofx159. doi: 10.1093/ofid/ofx159

Table 6.

Univariate Analysis of Risk Factors for 90-Day Readmissions Secondary to PLA Among Patients Treated for PLA

Variable Readmissions Secondary to PLA or Treatment (n = 33) Unrelated or No Readmissions
(n = 87)
P Values
Age, mean (range) 62 (15–89) 62 (13–92)
Comorbidities, no. (%)
Malignancy 13 (39) 46 (53) .187
Biliary disease 10 (30) 25 (29) .866
Abscess size >5 (cm), mean (%)* 15 (45) 38 (44) .911
Microbiology unknown, no. (%) 6 (18) 17 (20) .979
Inpatient intervention, no. (%)
Surgery 4 (12) 6 (7) .355
Percutaneous aspiration 6 (18) 17 (20) .866
Percutaneous drainage 21 (64) 55 (63) .966
Antibiotics alone 2 (6) 9 (10) .468
ID consult, no. (%) 21 (64) 57 (66) .847
Discharge with IV antibiotics, no. (%) 10 (30) 21 (24) .491
Discharge with drain, no. (%) 23 (70) 47 (54) .120
Length of stay <5 days 12 (36) 29 (33) .755
Length of antibiotic course <30 days 13 (39) 34 (39) .975
Follow-up appointments <3 within 90 days, no. (%) 16 (48) 45 (52) .894

Abbreviations: ID, infectious diseases; IV, intraveneous; PLA, pyogenic liver abscesses.

*Of 88 patients in which the abscess size was documented.