Table 3.
Comparison of Imaging Findings for PLA Patients
| Characteristic | CPLA (n=202) | CNLA (n=122) | P value | K. pneumoniae (n=109) | E.coli (n=20) | P value |
|---|---|---|---|---|---|---|
| Count of abscess, n (%) | ||||||
| Solitary | 150 (74.3) | 81 (66.4) | 0.129 | 91 (83.5) | 9 (45.0) | <0.001 |
| Multiple | 52 (25.7) | 41 (33.6) | 18 (16.5) | 11 (55.0) | ||
| Location of abscess, n (%) | ||||||
| Left lobe | 31 (15.3) | 21 (17.2) | 0.632 | 13 (11.9) | 4 (20.0) | 0.033 |
| Right lobe | 142 (70.3) | 80 (65.6) | 84 (77.1) | 10 (50.0) | ||
| Both lobes | 27 (13.4) | 18 (14.8) | 10 (9.2) | 6 (30.0) | ||
| Caudate lobe | 2 (1.0) | 3 (2.5) | 2 (1.8) | 0 | ||
| Gas in abscess, n (%) | 19 (9.4) | 3 (2.5) | 0.016 | 14 (12.8) | 0 | 0.191 |
| Abscess size*(cm), n (%) | ||||||
| < 5 | 40 (19.8) | 43 (35.2) | 0.003 | 11 (10.1) | 11 (55.0) | <0.001 |
| 5–10 | 119 (58.9) | 65 (53.3) | 72 (66.1) | 4 (20.0) | ||
| > 10 | 43 (21.3) | 14 (11.5) | 26 (23.8) | 5 (25.0) |
Notes: *Abscess size was determined by the maximum cavity diameter of the abscess or the largest abscess in multiple abscesses.