Table 1.
Demographic and clinical characteristics of patients with H1N1 influenza who presented with and without bacterial co‐infections
| Characteristic | H1N1 alone (n = 2954) | Bacterial co‐infection (n = 226) | P a |
|---|---|---|---|
| Age (y), median (IQR) | 2.5 (1.2, 4.0) | 2.4 (1.0, 4.1) | 0.197 |
| Male, n (%) | 1794 (49.5) | 105 (47.6) | 0.240 |
| Weight (kg), median (IQR) | 9.4 (5.2, 20.8) | 9.6 (4.8, 21.5) | 0.368 |
| Patients, n (%) | |||
| Inpatient | 432 (14.3) | 114 (50.4) | <0.001 |
| Outpatient | 2522 (85.4) | 112 (49.6) | |
| Total length of hospital stays (d), median (IQR) | 5.0 (2.0, 9.0) | 10.00 (6.0, 18.3) | <0.001 |
| ICU admission, n (%) | 77 (2.6) | 82 (36.3) | <0.001 |
| Total length of ICU stays (d), median (IQR) | 6.0 (3.8, 10.0) | 11.0 (6.3, 19.8) | <0.001 |
| Total cost (RMB), median (IQR) | 1213.2 (205.5, 3041.7) | 3467.3 (1302.3, 41321.6) | <0.001 |
| In‐hospital mortality, n (%) | 3 (0.1) | 11 (4.8) | <0.001 |
IQR, interquartile range; ICU, intensive care unit.
a
The differences between the H1N1‐alone group and bacterial co‐infection group were examined using the Wilcoxon rank‐sum test or chi‐square tests.