Table 4.
Characteristics of Non-Recipients and Daily HTS Recipients Matched by Propensity Score**
| Variable | Non-Recipients (n=953) | Daily HTS (n=953) | P-Value |
|---|---|---|---|
| Age (months), mean (SD) | 3.82 (3.22) | 2.33 (1.76) | 0.52 |
| Male Sex, % | 59.0 | 59.4 | 0.70 |
| Race, % | |||
| Black | 13.1 | 11.1 | 0.61 |
| White | 71.6 | 71.7 | |
| Other | 13.2 | 15.6 | |
| Unknown | 2.1 | 1.6 | |
| Asthma Diagnosis, % | 7.9 | 6.6 | 0.53 |
| Insurance Category, % | |||
| Medicaid | 68.2 | 66.5 | 0.77 |
| Private Insurance | 28.8 | 29.5 | |
| Self Pay | 1.4 | 2.2 | |
| Other | 1.4 | 1.6 | |
| Unknown | 0.3 | 0.2 | |
| Season, % | |||
| Summer (June–Aug) | 2.0 | 1.2 | 0.66 |
| Fall (Sept–Nov) | 6.8 | 6.7 | |
| Winter (Dec–Feb) | 63.9 | 62.8 | |
| Spring (Mar–May) | 27.3 | 29.4 | |
| Year, % | |||
| 2008 | 0.3 | 0.4 | 0.20 |
| 2009 | 2.9 | 3.7 | |
| 2010 | 32.2 | 26.9 | |
| 2011 | 64.5 | 69.0 | |
| Severity, % | |||
| Intensive Care Unit Admission | 4.5 | 3.3 | 0.37 |
| Non-Invasive Positive Pressure Ventilation | 0.1 | 0.2 | 0.41 |
| Mechanical Ventilation | 0.1 | 0.0 | * |
| Blood Gas | 17.6 | 14.9 | 0.12 |
| Supplemental Oxygen | 49.7 | 51.6 | 0.66 |
| APR-DRG severity subclass (major/extreme) | 9.4 | 6.5 | 0.11 |
| Management, % | |||
| Racemic Epinephrine | 42.7 | 42.5 | 0.99 |
| Albuterol | 55.0 | 50.8 | 0.39 |
| Corticosteroids | 17.9 | 15.7 | 0.12 |
| Continuous Nebulized Therapies | 17.1 | 15.0 | 0.65 |
| Intravenous Fluids | 51.2 | 52.2 | 0.85 |
| Intravenous Antibiotics | 18.4 | 17.4 | 0.64 |
| Chest Radiograph | 46.4 | 45.3 | 0.52 |
| Hospital, % | |||
| Hospital A | 7.4 | 7.4 | 0.58 |
| Hospital B | 45.7 | 47.1 | |
| Hospital C | 22.7 | 23.7 | |
| Hospital D | 10.5 | 10.5 | |
| Hospital E | 13.9 | 11.3 |
*
P-value not calculated due to empty cells
**
Limited to visits at hospitals with >5% overall HTS use