Table 1.
Demographic data of subjects
| Mild (n = 42)a | Severe (n = 64)a | p value | |||
|---|---|---|---|---|---|
| n | Mean (STD) or % | n | Mean (STD) or % | ||
| Global Severity Score | 42 | 1.63 (1.00) | 64 | 6.13 (1.72) | < 0.001 |
| Visit age (months) | 42 | 3.52 (1.99) | 64 | 3.24 (2.37) | 0.5122 |
| Gestational age (weeks) | 42 | 39.05 (1.25) | 64 | 38.8 (1.44) | 0.3437 |
| Birth weight (kg) | 42 | 3.32 (0.68) | 64 | 3.36 (0.57) | 0.7468 |
| Family size | 42 | 4.43 (2.86) | 64 | 3.98 (1.73) | 0.3703 |
| Days since disease onset | 42 | 4.31 (1.76) | 64 | 4.86 (1.78) | 0.1209 |
| Breast feeding summary | 42 | 1.56 (1.23) | 63 | 1.53 (1.25) | 0.8979 |
| Sex | 23 | 44.23 | 29 | 55.77 | 0.4275 |
| Male | |||||
| Female | 19 | 35.19 | 35 | 64.81 | |
| Ethnicity | 8 | 42.11 | 11 | 57.89 | 0.8018 |
| Hispanic or Latino | |||||
| Non-Hispanic or non-Latino | 34 | 39.08 | 53 | 60.92 | |
| Race | 23 | 37.1 | 39 | 62.9 | 0.3115 |
| Caucasian | |||||
| Other race | 19 | 47.5 | 21 | 52.5 | |
| Missing | - | 0 | 4 | 100 | |
| Delivery type | 29 | 36.71 | 50 | 63.29 | 0.3634 |
| Vaginal | |||||
| C-section | 13 | 48.15 | 14 | 51.85 | |
| Smoking exposure | 14 | 38.89 | 22 | 61.11 | 1 |
| Yes | |||||
| No | 28 | 40 | 42 | 60 | |
| RSV group | 23 | 38.98 | 36 | 61.02 | 1 |
| A | |||||
| B | 18 | 39.13 | 28 | 60.87 | |
| Missing | 1 | 100 | - | 0 | |
P-values reported in the last column were either based on Fisher’s exact test (if the variable is categorical) or Welch t-test (if the variable is continuous). Continuous variables are reported as sample means (STD); categorical variables are reported as percentages
aBased on GRSS ≤ 3.5 (mild) or > 3.5 (severe)