Characteristics of patients | Total = 100 | Fatal = 11 | Survivors = 89 | p-value | ||||
---|---|---|---|---|---|---|---|---|
n | % | N | % | n | % | |||
Age, median, years | 75.0 | 77.0 | 75.0 | |||||
Male sex | 70 | (70.0) | 6 | (54.5) | 64 | (71.9) | 0.30 | |
Age > 80 years | 27 | (27.0) | 4 | (36.4) | 23 | (25.8) | 0.48 | |
Comorbidities | ||||||||
Diabetes mellitus | 29 | (29.0) | 5 | (45.5) | 24 | (27.0) | 0.29 | |
Malignancy | 41 | (41.0) | 3 | (27.3) | 38 | (42.7) | 0.52 | |
Liver cirrhosis | 10 | (10.0) | 3 | (27.3) | 7 | (7.9) | 0.08 | |
Collagen disease | 8 | (8.0) | 1 | (9.1) | 7 | (7.9) | 1.00 | |
Chronic kidney disease | 3 | (3.0) | 1 | (9.1) | 2 | (2.2) | 0.30 | |
Pulmonary disease | 4 | (4.0) | 1 | (9.1) | 3 | (3.4) | 0.38 | |
Mental disorder | 7 | (7.0) | 3 | (27.3) | 4 | (4.5) | < 0.05 | * |
Immunosuppressive drug | 12 | (12.0) | 1 | (9.1) | 11 | (12.4) | 1.00 | |
Neutropenia | 7 | (7.0) | 0 | (0) | 7 | (7.9) | 1.00 | |
Source of infection | ||||||||
Pneumonia | 6 | (6.0) | 0 | (0) | 6 | (6.7) | 1.00 | |
Skin and soft-tissue | 4 | (4.0) | 2 | (18.2) | 2 | (2.2) | < 0.05 | * |
Abdominal | 37 | (37.0) | 3 | (27.3) | 34 | (38.2) | 0.74 | |
Urinary tract | 27 | (27.0) | 2 | (18.2) | 25 | (28.1) | 0.72 | |
Other | ||||||||
Hospital-acquired infection | 52 | (52.0) | 6 | (54.5) | 46 | (51.7) | 1.00 | |
Appropriate antibiotic therapy within 24 h | 96 | (96.0) | 11 | (100.0) | 85 | (95.5) | 1.00 | |
Bacterial characteristics | ||||||||
K. pneumoniae | 73 | (73.0) | 8 | (72.7) | 65 | (73.0) | 1.00 | |
K. variicola | 19 | (19.0) | 2 | (18.2) | 17 | (19.1) | 1.00 | |
K. quasipneumoniae | 8 | (8.0) | 1 | (9.1) | 7 | (7.9) | 1.00 | |
K1 serotype | 14 | (14.0) | 3 | (27.3) | 11 | (12.4) | 0.18 | |
K2 serotype | 13 | (13.0) | 0 | (0) | 13 | (14.6) | 0.35 | |
Hypermucoviscous phenotype | 23 | (23.0) | 3 | (27.3) | 20 | (22.5) | 0.71 |