Table 1.
Demographic characteristics of patients tested for respiratory syncytial virus.
| Pre-pandemic phase Jul 2013 – Mar 2020 N = 210,424 tests | Post-emergence phase Apr 2021 – Jun 2023 N = 723,460 tests | P-value | |
|---|---|---|---|
| Age (months) | 8.57 (3.12–20.01) | 35.05 (11.99–88.21) | < 0.001 |
| Age Category (%): • 0–90 days • 3–6 months • 6–12 months • 1–2 years • 2–4 years • 5–17 years |
• 23.91% • 15.63% • 20.29% • 19.38% • 9.99% • 10.81% |
• 8.50% • 5.73% • 10.77% • 15.63% • 17.57% • 41.80% |
< 0.001 |
| Sex (% male) | 55.84% | 54.19% | < 0.001 |
| Race (%) • White • Black • Asian • Pacific Islander • American Indian • Other • Multiple • Unknown |
• 43.94% • 24.00% • 2.31% • 0.35% • 0.23% • 9.91% • 1.15% • 18.11% |
• 48.89% • 23.07% • 4.33% • 0.45% • 0.35% • 13.73% • 3.22% • 5.96% |
< 0.001 |
| Ethnicity (%) • Hispanic or Latino • Not Hispanic or Latino • Unknown |
• 31.59% • 62.80% • 5.61% |
• 30.67% • 63.81% • 5.51% |
< 0.001 |
| Complex Chronic Condition by Age Group (%) • 0–90 days • 3–6 months • 6–12 months • 1–2 years • 2–4 years • 5+ years |
18.45% • 13.77% • 10.55% • 11.39% • 14.64% • 27.68% • 51.75% |
15.84% • 14.58% • 17.38% • 11.62% • 10.02% • 8.50% • 2.23% |
< 0.001 • < 0.001 • < 0.001 • < 0.001 • < 0.001 • < 0.001 • < 0.001 |
| Premature or Neonatal Complex Chronic Condition (%) | 2.71% | 1.64% | < 0.001 |
| Patient Type • ED (Discharge) • ED & IP (ED Admit) • IP (Direct Admit) |
• 56.60% • 34.73% • 8.67% |
• 66.34% • 27.00% • 6.66% |
< 0.001 |
| Diagnostic Test (%) • Culture • Antigen • PCR • DNA Probe • SARS-CoV-2 Multi-Pathogen • Other/Unspecified Test • Multiple Tests |
• 3.05% • 83.39% • 5.26% • 4.77% • 0% • 0.01% • 3.52% |
• 0.26% • 7.52% • 10.78% • 0.14% • 80.78% • <0.01% • 0.52% |
< 0.001 |
| Test Positivity by Diagnostic (%) • Culture • Antigen • PCR • DNA Probe • SARS-CoV-2 Multi-Pathogen |
21.50% • 9.64% • 23.03% • 18.16% • 7.68% • NA |
7.48% • 9.24% • 12.02% • 10.97% • 6.20% • 6.59% |
< 0.001 • 0.615 • < 0.001 • < 0.001 • 0.090 • NA |
| Test Positivity by Age Group (%) • 0–90 days • 3–6 months • 6–12 months • 1–2 years • 2–4 years • 5+ years |
• 26.30% • 27.47% • 22.62% • 20.35% • 18.03% • 5.46% |
• 14.58% • 17.38% • 11.62% • 10.02% • 8.50% • 2.23% |
• < 0.001 • < 0.001 • < 0.001 • < 0.001 • < 0.001 • < 0.001 |
Medians (with interquartile ranges) are used to summarize distributions of continuous variables. ED, emergency department. IP, inpatient. NA, not applicable. PCR, polymerase chain reaction.