Table 1. Host or microbial characteristics associated with 28-day mortality in 70 patients of anaerobic bacteremia.
| Characteristics/factors | No. (%) of patients | P-value | |||
|---|---|---|---|---|---|
| All (No=70) | Alive (No =55) | Dead (No =15) | Univariatea | Multivariateb | |
| Age (median, interquartile range, years) | 61 (50-69) | 61 (48-69) | 60 (50-77) | 0.897 | |
| Age > 60 years | 35 (50.0) | 28 (50.9) | 7 (46.7) | 0.771 | |
| Male/Female (male, %) | 38/32 (54.3) | 33/22 (60.0) | 5/10 (33.3) | 0.066 | 0.050 |
| Underlying diseases, n (%) | |||||
| Hematologic malignancy | 6 (8.6) | 4 (7.3) | 2 (13.3) | 1.000 | |
| Non-hematologic malignancy | 50 (71.4) | 39 (70.9) | 11 (73.3) | 0.749 | |
| Cardiovascular disease | 11 (15.7) | 6 (10.9) | 5 (33.3) | 0.049 | 0.045 |
| Previous surgery | 27 (38.6) | 21 (38.2) | 6 (40.0) | 0.898 | |
| Diabetes mellitus | 9 (12.9) | 7 (12.7) | 2 (13.3) | 1.000 | |
| Liver disease | 14 (20.0) | 10 (18.2) | 4 (26.7) | 0.480 | |
| Source of infection, n (%) | |||||
| Intra-abdominal | 42 (60.0) | 34 (61.8) | 8 (53.3) | 1.000 | |
| Skin barrier penetration | 5 (7.1) | 5 (9.1) | 0 (0.0) | 0.577 | |
| Respiratory | 2 (2.9) | 1 (1.8) | 1 (6.7) | 1.000 | |
| Origin of infection, n (%) | |||||
| Hospital-acquired infection | 44 (62.9) | 32 (58.2) | 12 (80.0) | 0.1210 | 1.000 |
| Community-acquired infection | 2 (2.9) | 2 (3.6) | 0 (0.0) | 1.000 | |
| Healthcare-associated community onset infection | 24 (34.3) | 21 (38.2) | 3 (20.0) | 0.189 | 1.000 |
| Polymicrobial infection | 9 (12.9) | 3 (5.5) | 6 (40.0) | 0.392 | |
| Bacteroides spp. infection | 50 (71.4) | 37 (67.3) | 13 (86.7) | 0.202 | |
| Inappropriate therapy | 16 (22.9) | 10 (18.2) | 6 (40.0) | 0.139 | 0.168 |
aThe Pearson χ2 test was used for categorical variables and the Mann-Whitney U test was used for continuous variables.
bThe multivariate logistic regression analysis was used to determine which variables were acting independently.