Table 5.
Prognostic factors of splenic abscess
| Variables | Category (n) |
Outcome |
P | |
| Cure (n = 55, %) | Mortality (n =12, %) | |||
| Gender | Female (26) | 21 (81) | 5 (19) | NS1 |
| Male (41) | 34 (83) | 7 (17) | ||
| Abscess number* | Solitary (48) | 43 (89) | 5 (11) | 0.0111 |
| Multiple (19) | 12 (63) | 7 (37) | ||
| Extrasplenic abscesses | Without (43) | 36 (84) | 7 (16) | NS1 |
| With (24) | 19 (79) | 5 (21) | ||
| Underlying diseases | Without (15) | 12 (80) | 3 (20) | NS1 |
| With (52) | 43 (83) | 9 (17) | ||
| Diabetes | Without (41) | 33 (80) | 8 (20) | NS1 |
| With (26) | 22 (85) | 4 (15) | ||
| Microorganisma | ||||
| GNB (32) | 22 (69) | 10 (31) | 0.0091a | |
| GPC (18) | 18 (100) | 0 (0) | ||
| GNB+GPC (4) | 4 (100) | 0 (0) | ||
| Others (4) | 2 (50) | 2 (50) | ||
| Sterile (9) | 9 (100) | 0 (0) | ||
| Treatment | Splenectomy (26) | 24 (92) | 2 (8) | NS1 |
| PD or FNA+AT (21) | 15 (71) | 6 (29) | ||
| AT alone (20) | 16 (80) | 4 (20) | ||
| Age | 53.3 ± 13.4 | 57.3 ± 17.1 | NS2 | |
| Size of abscess2 | 5.1 ± 3.0 | 4.0 ± 2.6 | NS2 | |
| Leukocytes/mm3 | 13.1 ± 4.5 | 9.6 ± 5.9 | NS2 | |
| APACHE II score* | 7.3 ± 3.8 | 16.1 ± 3.2 | <0.0012 | |
GNB, gram negative bacillus; GPC, gram positive cocci; PD, percutaneous drainage; FNA, fine needle aspiration; AT, antimicrobial therapy. Categorical data were compared by: 1: χ2 test or F-test, 2: t-test.
a
P<0.05 GNB vs GPC. NS: not significant.