Diagnosis |
Acute bronchitis | 12 (17.6) | 151 (40.1) | Reference | |
Exacerbation of COPD | 25 (36.8) | 168 (44.6) | 0.95 (0.41 to 2.19) | 0.906 |
Pneumonia | 31 (45.6) | 58 (15.4) | 5.30 (2.41 to 11.64) | <0.001 |
|
Age category, years |
65–79 | 38 (55.9) | 277 (73.5) | Reference | |
≥80 | 30 (44.1) | 100 (26.5) | 2.21 (1.18 to 4.13) | 0.013 |
|
Comorbidity |
Known to have heart failure | 39 (57.4) | 111 (29.4) | 2.12 (1.10 to 4.06) | 0.024 |
|
Use of insulin/oral medication | 55 (80.9) | 258 (68.4) | 1.66 (0.81 to 3.39) | 0.163 |
|
Hospitalisations in previous year |
0 | 36 (52.9) | 313 (83.0) | Reference | |
1 | 13 (19.1) | 43 (11.4) | 1.89 (0.85 to 4.20) | 0.117 |
≥2 | 19 (27.9) | 21 (5.6) | 4.23 (1.64 to 10.93) | 0.003 |
|
Medication |
Using prednisone | 19 (27.9) | 28 (7.4) | 2.45 (0.98 to 6.12) | 0.056 |
Using antibiotics in previous month | 13 (19.1) | 16 (4.2) | 3.36 (1.33 to 8.53) | 0.011 |