Characteristic | Serotype K1, n = 7 No. (%) | Serotype K2, n = 19 No. (%) | Serotype non-K1/K2, n = 23 No. (%) | p-valuea |
---|---|---|---|---|
Age > 65 years | 5 (71.4) | 14 (73.7) | 18 (78.3) | 0.674 |
Male sex | 4 (57.1) | 15 (78.9) | 20 (87) | 0.229 |
Underlying disease or risk factor | ||||
   Malignancy | 1 (14.3) | 5 (26.3) | 8 (34.8) | 0.365 |
   Diabetes mellitus | 5 (71.4) | 6 (31.6) | 6 (26.1) | 0.234 |
   Liver cirrhosis | 0 (0) | 2 (10.5) | 2 (8.7) | 1.000 |
   Chronic kidney disease stage≧4 | 1 (14.3) | 5 (26.3) | 7 (30.4) | 0.560 |
   Chronic lung diseases | 2 (28.6) | 10 (52.6) | 11 (47.8) | 0.907 |
   Neurologic disorders | 3 (42.9) | 2 (10.5) | 7 (30.4) | 0.363 |
   Autoimmune disease | 0 (0) | 2 (10.5) | 1 (4.3) | 1.000 |
   Alcoholism | 1 (14.3) | 2 (10.5) | 2 (8.7) | 1.000 |
CXR--bilateral involvement | 6 (85.7) | 12 (63.2) | 14 (60.9) | 0.539 |
Leucopenia b | 1 (14.3) | 3 (15.8) | 2 (8.7) | 0.671 |
Concurrent lung abscess | 0 (0) | 2 (10.5) | 1 (4.3) | 1.000 |
Initial presentation with septic shock | 4 (57.1) | 10 (52.6) | 11 (47.8) | 0.674 |
Initial presentation with respiratory failure | 4 (57.1) | 12 (63.2) | 14 (60.9) | 0.962 |
APACHE-II score>25 | 5 (71.4) | 15 (78.9) | 15 (65.2) | 0.365 |
PSI Risk Class V | 7 (100) | 17 (89.5) | 20 (87) | 0.655 |
ICU admission | 3 (42.9) | 12 (63.2) | 13 (56.5) | 0.934 |
Early deaths ≦ 48 hrs | 3 (42.9) | 7 (36.8) | 8 (34.8) | 0.790 |
In-hospital death | 4 (57.1) | 11 (57.9) | 12 (52.2) | 0.698 |