Table 1.
Characteristics of the evaluable patients.
| Variable | Standard diagnostic group | FilmArray diagnostic group |
|---|---|---|
| Demographics | ||
| Age, mean ± SD | 65.8 ± 14.5 | 61.4 ± 17.9 |
| Male sex (%) | 10 (41.7) | 9 (40.9) |
| Weight (kg), mean ± SD | 78.9 ± 31.7 | 69.0 ± 20.1 |
| Clinical features | ||
| Highest temperature (°C) in 1st 24 h | 37.9 ± 1.0 | 37.7 ± 0.7 |
| WBC, total | 12,320 ± 7480 | 12,020 ± 4870 |
| % Polymorphonuclear cells | 77.0 ± 19.9 | 82.8 ± 9.2 |
| Pneumonia severity index | 102.7 ± 25.4 | 100.0 ± 36.9 |
| Comorbidity and habits | ||
| Alcoholism | 2 (8.3%) | 4 (18.2%) |
| Alcohol use, current | 8 (33.3%) | 10 (45.5%) |
| Congestive heart failure | 6 (25%) | 2 (9.1%) |
| COPD | 8 (33.3%) | 8 (36.4%) |
| Diabetes mellitus | 8 (33.3%) | 4 (18.2%) |
| HIV | 0 (0.0%) | 1 (4.5%) |
| Illicit drug use | 3 (12.5%) | 4 (18.2%) |
| Liver disease, chronic | 1 (4.2%) | 3 (13.6%) |
| Malignancy | 3 (12.5%) | 3 (13.6%) |
| Obstructive sleep apnea | 3 (12.5%) | 1 (4.5%) |
| Renal insufficiency | 3 (12.5%) | 7 (31.8%) |
| Tobacco use, current | 9 (37.5%) | 7 (31.8%) |
| Home medications | ||
| Antibiotics | 1 (4.2%)⁎ | 6 (27.3%)⁎ |
| Glucocorticoids | 2 (8.3%) | 2 (9.1%) |
| Narcotics | 9 (37.5%) | 8 (36.4%) |
| PPI/H2 blocker | 7 (29.2%) | 8 (36.4%) |
⁎
P = 0.04.