Table 1. Demographics and clinical characteristics of 92 patients with K. pneumoniae isolated from colonization or disease cohorts.
| Colonization | Disease | P-value | Total | |
| Isolates [n (%)] | 43 (46.7) | 49 (53.3) | 92 (100) | |
| Blood | 13 (14.1) | |||
| Urine | 36 (39.1) | |||
| Age [years (median)] | 2.3 | 2.2 | 0.85 | 2.3 |
| Range | 0.06–22.84 | 0.01–20.94 | 0.01–22.84 | |
| Interquartile range | 0.72, 18.64 | 0.53, 15.3 | 0.7, 14.9 | |
| Female gender [n (%)] | 26 (60.5) | 23 (46.9) | 0.194 | 49 (53.3) |
| Caucasian race [n (%)] | 29 (67.4) | 32 (65.3) | 0.83 | 61 (66.3) |
| Hispanic ethnicity [n (%)] | 9 (20.9) | 11 (22.5) | 0.97 | 20 (21.7) |
| Clinical comorbidity [n (%)] | 32 (74.4) | 42 (85.7) | 0.173 | 74 (80.4) |
| Oncologic | 13 (40.6) | 10 (23.8) | 23 (25.0) | |
| Urologic/renal | 1 (3.1) | 18 (42.9) | <0.001 | 19 (25.6) |
| Gastrointestinal | 10 (31.3) | 8 (19) | 18 (24.3) | |
| Other | 8 (25) | 6 (14.3) | 14 (19) | |
| Post-transplantation [n (%)] | 12 (27.9) | 8 (16.3) | 0.179 | 20 (21.7) |
| Hospitalized in the previous year [n (%)] | 28 (65.1) | 32 (65.3) | 0.985 | 60 (65.2) |
| Mean number of hospitalizations (sd)* | 4.5 (3.6) | 3.8 (2.9) | 4.13 (3.22) | |
| Antibiotics in the previous year [n (%)] | 27 (62.8) | 37 (75.5) | 0.186 | 64 (69.5) |
| Prophylaxis only | 1 (3.7) | 3 (8.1) | 4 (6.2) | |
| One to two courses (intravenous or per os) | 6 (22.2) | 6 (16.2) | 2 (3.1) | |
| More than two courses (intravenous or per os) | 20 (74.1) | 28 (75.7) | 48 (75.0) |
As a result of rounding, percentages may not add up to 100%.
*
Only includes patients who were hospitalized in the previous year.