Characteristics of retrospective and intervention cohorts
| Before protocol(n = 116) | After protocol(n = 117) | |
|---|---|---|
| *p<0.001 (χ2 test). | ||
| Mean (SD) age (years) | 54.5 (20.5) | 60.4 (10.6) |
| Age >75 years | 24.1% | 23.9% |
| Sex (M/F) | 56/60 | 68/49 |
| Comorbidities | ||
| COPD | 15 (13%) | 23 (20%) |
| Asthma | 8 (7%) | 5 (4%) |
| Cardiac failure | 17 (15%) | 28 (24%) |
| Cerebrovascular disease | 12 (10%) | 19 (16%) |
| Cancer | 3 (2%) | 6 (5%) |
| Chronic liver disease | 1 (1%) | 3 (2%) |
| Pneumonia Severity Index score | ||
| Class I | 36 (31%) | 29 (25%) |
| Class II | 24 (21%) | 14 (12%) |
| Class III | 22 (19%) | 20 (17%) |
| Class IV | 26 (22%) | 43 (37%) |
| Class V | 8 (7%) | 11 (9%) |
| Mean (SD) hospital stay (days) | 9.1 (2.1) | 7.9 (4.9) |
| Admission rate | 86% | 49%* |