Table 1 Sociodemographic and clinical characteristics of the cases
Parameter | Level | Cases (N = 33) |
|---|---|---|
Age | Years, Median [1st, 3rd quartile] | 73 [62, 85] |
50–65 years | 9 (27.3) | |
65–75 years | 8 (24.2) | |
75–85 years | 7 (21.2) | |
85 + years | 9 (27.3) | |
Sex, % | Female | 22 (66.7) |
Male | 11 (33.3) | |
Baseline living condition, % | Assisted living facility | 5 (15.2) |
Community group home | 5 (15.2) | |
Community private house | 22 (66.7) | |
Unknown | 1 (3.0) | |
Smoking status, % | Current smoker | 8 (24.2) |
Former smoker | 6 (18.2) | |
Never smoked | 19 (57.6) | |
Charlson Comorbidity Index, CCI | Overall score, Median [1st, 3rd quartile] | 1 [1, 2] |
Estimated 10-year mortality risk ≥ 5% (CCI score ≥ 4), % | 5 (15.2) | |
Frailty assessment | Frailty Index, Median [1st, 3rd quartile] | 0.22 [0.10, 0.44] |
Non-frail (FI < 0.08), % | 6 (18.2) | |
Pre-frail (FI ≥ 0.08 & FI < 0.21), % | 10 (30.3) | |
Frail (FI ≥ 0.21), % | 17 (51.5) | |
Current support, % | Require regular support for activities of daily living | 21 (63.6) |
Informal supporta | 19 (57.6) | |
Paid formal non-nursing supporta | 13 (39.4) | |
Paid formal personal care supporta | 8 (24.2) | |
Paid nursing supporta | 6 (18.2) | |
The patient or family identifies a need for more support for the patient at this time | 11 (33.3) | |
Influenza Vaccination status, % | Current season vaccination | 23 (69.7) |
Never vaccinated | 6 (18.2) | |
Vaccination in prior seasons only | 4 (12.1) | |
Antiviral prescription, % | Antivirals | 26 (78.8) |
No antiviral | 7 (21.2) | |
Influenza season, % | 2012/2013 (N = 4,438) | 10 (30.3) |
2013/2014 (N = 5,214) | 9 (27.3) | |
2014/2015 (N = 4,122) | 14 (42.4) | |
Viral strain, % | Influenza | |
Influenza A | 29 (87.9) | |
H1N1 | 7 (21.2) | |
H3N2 | 13 (39.4) | |
Unavailable subtype | 9 (27.3) | |
Influenza B | 4 (12.1) | |
Respiratory Syncytial Virus (RSV) | ||
RSV A | 12 (36.4) | |
RSV B | 21 (63.6) |