Table 2.
Baseline Characteristics of UABH Patients
| Characteristic | Control (n = 27) | Pneumonia (n = 28) | Total (N = 55) |
|---|---|---|---|
| Age, yr, median (range) | 55 (20–87) | 58.5 (20–83) | 58 (20–87) |
| Male sex, n/N (%) | 13/27 (48.1) | 19/28 (67.9) | 32/55 (58.2) |
| Race, n/N (%) | |||
| White | 17/27 (63) | 22/28 (78.6) | 39/55 (70.9) |
| Black | 8/27 (29.6) | 5/28 (17.9) | 13/55 (23.6) |
| Hispanic | 2/27 (7.4) | 1/28 (3.6) | 3/55 (5.5) |
| Primary diagnosis, n/N (%) | |||
| Trauma | 9/27 (33.3) | 17/28 (60.7) | 26/55 (47.3) |
| Stroke | 10/27 (37) | 4/28 (14.3) | 14/55 (25.5) |
| Pancreatitis/gastrointestinal surgery | 2/27 (7.4) | 2/28 (7.1) | 4/55 (7.3) |
| Cardiovascular surgery | 2/27 (7.4) | 1/28 (3.6) | 3/55 (5.5) |
| Burn | 1/27 (3.7) | 1/28 (3.6) | 2/55 (3.6) |
| Tracheal/lung surgery | 0 | 2/28 (7.1) | 2/55 (3.6) |
| Transplantation (liver/kidney) | 1/27 (3.7) | 1/28 (3.6) | 2/55 (3.6) |
| Seizure/encephalopathy | 1/27 (3.7) | 0 | 1/55 (1.8) |
| Genitourinary surgery | 1/27 (3.7) | 0 | 1/55 (1.8) |
| Mechanical ventilator, n/N (%) | 27/27 (100) | 28/28 (100) | 55/55 (100) |
| Vasopressor, n/N (%) | 17/27 (62.3)* | 14/28 (50) | 31/55 (56.4) |
| ICU stay, d, median (range) | 18 (5–106)* | 14.5 (5–105)* | 16 (5–106) |
| Hospital stay, d, median (range) | 26 (6–108)* | 20 (9–105)* | 21 (6–108) |
| Deceased, n/N (%) | 6/27 (22.2)* | 9/28 (32.1) | 15/55 (27.3) |
| BAL culture, n/N (%) | |||
| P. aeruginosa | — | 8/28 (28.6) | — |
| S. aureus | — | 12/28 (42.9) | — |
| K. pneumoniae | — | 2/28 (7.1) | — |
| H. influenzae | — | 1/28 (3.6) | — |
| E. aerogenes | — | 1/28 (3.6) | — |
| S. aureus and P. aeruginosa | — | 1/28 (3.6) | — |
| S. pneumoniae and H. influenza | — | 1/28 (3.6) | — |
| H. influenzae and S. maltophilia | — | 1/28 (3.6) | — |
| E. cloacae and E. sakazakii | — | 1/28 (3.6) | — |
Definition of abbreviations: E. aerogenes = Enterobacter aerogenes; E. cloacae = Enterobacter cloacae; E. sakazakii = Enterobacter sakazakii; H. influenzae = Haemophilus influenzae; K. pneumoniae = Klebsiella pneumoniae; P. aeruginosa = Pseudomonas aeruginosa; S. aureus = Staphylococcus aureus; S. maltophilia = Stenotrophomonas maltophilia; S. pneumoniae = Streptococcus pneumoniae; UABH = University of Alabama at Birmingham Hospital.
Chi-square tests (or Fisher exact tests for small sample sizes) and Wilcoxon rank sum tests were used for categorical and quantitative data, respectively.
*
Significant difference (P < 0.05) for USAH control versus UABH control or USAH pneumonia versus UABH pneumonia.