Table 3.
Outcomes of Influenza Patients With and Without Community-Onset Bacterial Coinfectiona
| Variable | Total (N = 4,313) | Influenza Only (N = 3,868; 2.3%) | Bacterial Coinfection (N = 445; 0.3%) |
|---|---|---|---|
| In hospital mortality, No. (%) | 251 (5.8) | 193 (5.0) | 58 (13.0) |
| Length of stay, median (IQR) | 5.0 (3.0–7.0) | 4.0 (3.0–7.0) | 6.0 (4.0–11.0) |
| Cost, median (IQR) | 7,722 (4,906–13,792) | 7,430 (4,725–12,953) | 11,486 (6,667–22,825) |
| Late ICU (day2+)*, no. (%) | 261 (8.0) | 209/3,003 (7.0) | 52/280 (18.6) |
| Late IMV (day2+)*, no. (%) | 243 (6.1) | 189/3,616 (5.2) | 54/366 (14.8) |
| Late Vasopressor (day2+)*, no. (%) | 200 (4.9) | 149/3,720 (4.0) | 51/283 (13.3) |
Note. IQR, interquartile range (Q1–Q3); ICU, intensive care unit; IMV, intermittent mechanical ventilation.
*
Second day or after.
a
Differences are very highly statistically significant (P < .001) for all variables, by χ2 test for dichotomous variables and Wilcoxon rank sum test for length of stay and cost. Statistical significance does not imply clinical significance.