Patient characteristics and outcomes
| NHAP | CAP aged ≥65 yrs | All CAP | p-value# | |
| Subjects n | 40 | 236 | 397 | |
| Age yrs | 80.6±9.6 | 79±8 | 65.5±19.4 | <0.001¶ |
| Range yrs | 55–97 | 65–100 | 17–100 | |
| Median yrs | 81.5 | 70 | ||
| Sex M | 22 (55) | 199 (50) | 199 (50) | 0.8 |
| Comorbid illnesses | ||||
| 1 | 18 (42) | 92 (39) | 148 (37) | |
| 2 | 8 (20) | 68 (29) | 94 (24) | |
| ≥3 | 9 (22.5) | 48 (20) | 51 (13) | |
| None | 5 (10) | 28 (12) | 103 (26) | 0.9 |
| Cancer | 2 (5) | 19 (2) | 21 (5.3) | 0.5 |
| Cerebrovascular disease | 14 (35)* | 33 (14)* | 36 (9.1) | <0.001 |
| Congestive cardiac failure | 3 (7.5) | 22 (9) | 22 (5.5) | 0.7 |
| Ischaemic heart disease | 4 (10) | 47 (20) | 55 (14) | 0.2 |
| Chronic obstructive | 8 (20) | 73 (31) | 89 (22) | 0.4 |
| Pulmonary disease | ||||
| Diabetes mellitus | 2 (5) | 25 (11) | 33 (8) | 0.4 |
| Dementia | 14 (35)* | 18 (8)* | 33 (8) | <0.001 |
| Prior antibiotics | 18 (45) | 97 (41) | 145(37) | 0.6 |
| Influenza vaccination in fast yr | 15 (38) | 101 (43) | 132 (33) | 0.9 |
| Pneumococcal vaccination in last 10 yrs | 3 (7.5)* | 49 (21)* | 63 (16) | 0.1 |
| ECOG (1–4) | 3±1* | 1.6±1.2* | 1.2±1.2 | <0.001 |
| Barthel index (0–20) | 8.9±6.7* | 16±5.1* | 17±5.1 | <0.001 |
Data are presented as n (%) and mean±sd unless otherwise stated
NHAP: nursing home acquired pneumonia
CAP: community acquired pneumonia
M: male
ECOG: European Cooperative Oncology Group
#: age-adjusted: comparing NHAP with all CAP
¶: not age-adjusted
*: statistically significant difference (p <0.05, not age-adjusted)