Table 2 Comparison of management and outcomes associated with community and hospital-acquired influenza
From: Hospital-acquired influenza in an Australian tertiary Centre 2017: a surveillance based study
Variable | No. (%) patients | |||
|---|---|---|---|---|
Community-acquired influenza‡ | Hospital-acquired influenza§ | p Value | Odds ratio (95% CI) | |
Days from symptom onset to admission, median [IQR] | 3 [2–5] | na | – | – |
Days from admission to symptom onset, median [IQR] | na | 13 [4–32] | – | – |
Days from symptom onset to diagnosis, median [IQR] | 3 [2–5] | 1 [1–2] | < 0.001 | – |
Received antivirals (oseltamivir) | 233/250 (93.2) | 24/27 (88.9) | 0.426 | 0.58 (0.16–2.14) |
Days from symptom onset to treatment, median [IQR] | 3 [2–5] | 2 [1–3] | 0.022 | – |
Received antivirals within 48 h of symptom onset | 82/206 (39.8) | 15/24 (62.5) | 0.033 | 2.52 (1.05–6.02) |
ICU admission | 39 (14.8) | 3 (10.7) | 0.778 | 0.69 (0.20–2.40) |
Length of ICU stay, median days [IQR] | 4 [3–6] | 4 [4–4] | 0.687 | – |
Length of hospital stay, median days [IQR] | 5 [2–9] | 38 [18–66] | < 0.001 | – |
Days from diagnosis to discharge, median [IQR] | 5 [3–9] | 13 [6–33] | < 0.001 | – |
30 Day outcome | ||||
Still hospitalised | 9/262 (3.4) | 8 (28.6) | < 0.001 | 11.24 (3.91–32.31) |
Discharged | 237/262 (90.5) | 18 (64.3) | 0.001 | 0.19 (0.08–0.46) |
Readmitted for same illness | 5/262 (1.9) | 0 | 1 | – |
Death in hospital (all cause) | 11/262 (4.2) | 2 (7.1) | 0.363 | 1.76 (0.37–8.35) |