Table 1 Overview of patient characteristics for community and hospital-acquired influenza
From: Hospital-acquired influenza in an Australian tertiary Centre 2017: a surveillance based study
Characteristic | No. (%) patients | ||
|---|---|---|---|
Community-acquired influenza‡ | Hospital-acquired influenza§ | p Value | |
Number of patients | 264 | 28 | – |
Age, median [IQR] | 76 [62–84] | 79 [62–90] | 0.624 |
Female sex | 142 (53.8) | 10 (35.7) | 0.069 |
Indigenous | 4 (1.5) | 0 | 1 |
Chest X-ray taken | 236/259 (91.1) | 26 (92.9) | 1 |
Consolidation present on chest X-ray | 63/236 (26.7) | 5/26 (19.2) | 0.41 |
Influenza type | |||
Influenza A | 169 (64.0) | 24 (85.7) | 0.021 |
Influenza B | 95 (36.0) | 4 (14.3) | 0.021 |
Influenza vaccine in 2017 | 66/97 (60.6) | 5/12 (41.7) | 0.106 |
Clinical presentation | |||
ILI | 170 (64.4) | 7 (25.0) | < 0.001 |
Non-ILI | 57 (21.6) | 21 (75.0) | < 0.001 |
Pneumonia ± ILI | 37 (14.0) | 0 | 0.033 |
Any comorbidity | 214 (89.2) | 26 (92.9) | 0.191 |
Chronic respiratory disease | 104/254 (40.9) | 5/27 (18.5) | 0.023 |
Diabetes | 57/257 (22.2) | 12 (42.9) | 0.015 |
Malignancy | 37/255 (14.5) | 8/26 (30.8) | 0.046 |
Chronic liver disease | 11/256 (4.3) | 4/27 (14.8) | 0.043 |
Immunosuppression | 24/257 (9.3) | 4/27 (14.8) | 0.321 |
Cardiac disease | 94/257 (36.6) | 14 (50.0) | 0.164 |
Obesity | 31/154 (20.1) | 4/22 (18.2) | 1 |
Neurological disease | 58/258 (22.5) | 10/26 (38.5) | 0.069 |
Chronic renal disease | 36/258 (14.0) | 4/27 (14.8) | 1 |
Nursing home | 41/262 (15.6) | 4/27 (14.8) | 1 |
Pregnancy | 12/142 (8.5) | 1/10 (10.0) | 1 |
Smoking | |||
Non smoker | 60/161 (37.3) | 6/16 (37.5) | 0.985 |
Past smoker | 78/161 (48.4) | 7/16 (43.8) | 0.72 |
Current smoker | 23/161 (14.3) | 3/16 (18.8) | 0.709 |