Table 1.
Demographic and Clinical Characteristics of the Influenza-Positive Cohort Aged 6 Months–8 Years, Children’s Hospital Colorado, Aurora, 2016–2017 and 2017–2018 Seasons
| Variables | Total(N = 411) | MildInfluenza(n = 98) | Moderateto SevereInfluenza(n = 313) | P Valuea |
|---|---|---|---|---|
| Age, y, median (IQR) | 4.0 (2.2–6.1) | 4.8 (2.5–6.5) | 3.8 (2.0–5.9) | .03b |
| Male sex | 206 (50) | 45 (46) | 161 (51) | .34 |
| Race/ethnicity | ||||
| Hispanic/Latino | 236 (57) | 65 (66) | 171 (55) | .004 |
| White non-Hispanic | 108 (26) | 15 (15) | 93 (29) | |
| Black non-Hispanic | 38 (9) | 14 (14) | 24 (8) | |
| Other | 29 (7) | 4 (4) | 25 (8) | |
| Primary insurance status | ||||
| Private | 100 (24) | 18 (18) | 82 (26) | |
| Medicaid | 297 (72) | 78 (80) | 219 (70) | |
| Other | 14 (3) | 2 (2) | 12 (4) | .17 |
| Influenza strain (n = 409) | ||||
| Influenza A | 229 (56) | 43 (45) | 186 (59) | .012 |
| Influenza B | 180 (44) | 53 (55) | 127 (41) | |
| Vaccination status (n = 398) | ||||
| Completely vaccinated | 149 (36) | 30 (31) | 119 (38) | .29 |
| Partially vaccinated | 42 (10) | 8 (8) | 34 (11) | |
| Unvaccinated | 207 (50) | 55 (56) | 152 (49) | |
| High-risk medical condition | 87 (21) | 16 (16) | 71 (23) | .18 |
| Attends daycare or school | 284 (69) | 67 (68) | 217 (69) | .86 |
| Age of those attending daycare/school | ||||
| <3 y | 62 (15) | 12 (12) | 50 (16) | .37 |
| 3–8 y | 222 (54) | 55 (56) | 167 (53) |
Data are presented as No. (%) unless otherwise indicated.
Abbreviations: ED, emergency department; IQR, interquartile range.
aPearson χ 2 test unless otherwise indicated.
bWilcoxon rank-sum test.