Table 1 Patient characteristics
From: Economic burden of community-acquired pneumonia among elderly patients: a Japanese perspective
All patients | Outpatient CAP episodes | Inpatient CAP episodes | ||||
|---|---|---|---|---|---|---|
n = 29,619 | n = 14,450 | n = 20,314 | ||||
Age in years, mean (SD) | 80.1 | (8.4) | 77.5 | (8.0) | 81.5 | (8.2) |
Age group, n (%) | ||||||
65–74 years | 8403 | (28%) | 5787 | (40%) | 4499 | (22%) |
75–84 years | 11,519 | (39%) | 5612 | (39%) | 7965 | (39%) |
≥ 85 years | 9697 | (33%) | 3051 | (21%) | 7850 | (39%) |
Sex, n (%) | ||||||
Male | 17,687 | (60%) | 8853 | (61%) | 12,314 | (61%) |
Median treatment period, days (IQR) | – | – | 7 | (4–9) | 14 | (9–25) |
Death, n (%) | – | – | – | – | 2389 | (12%) |
Comorbidities, n (%) | ||||||
Diabetes mellitus | 3134 | (11%) | 1950 | (13%) | 2032 | (10%) |
Chronic obstructive pulmonary disease | 3527 | (12%) | 2426 | (17%) | 2509 | (12%) |
Dementia | 194 | (1%) | 103 | (1%) | 135 | (1%) |
Dialysis | 525 | (2%) | 293 | (2%) | 382 | (2%) |
Liver function failure | 4506 | (15%) | 3020 | (21%) | 2773 | (14%) |
Rheumatism | 845 | (3%) | 620 | (4%) | 489 | (2%) |
Cancer | 2718 | (9%) | 2284 | (16%) | 1322 | (7%) |
Prescriptions during previous 6 months, n (%) | ||||||
Oral antibiotics | 2682 | (9%) | 2244 | (16%) | 1586 | (8%) |
Inhaled steroids | 1691 | (6%) | 1279 | (9%) | 1155 | (6%) |
Angiotensin-converting enzyme inhibitors | 882 | (3%) | 505 | (3%) | 586 | (3%) |
Statins | 2634 | (9%) | 1678 | (12%) | 1583 | (8%) |