Table 2.
Multivariable Model of Factors Associated With a Worsening of Symptoms After Clinical Improvement.
| Odds Ratio | 95% CI | P Value | |
|---|---|---|---|
| Age <2 months | 3.51 | 2.07‐5.94 | <0.001 |
| Gestational age <37 weeks | 1.94 | 1.13‐3.32 | 0.02 |
| Retractions | |||
| None | 1.30 | 0.80‐3.23 | 0.19 |
| Mild | 1.0 | Reference | — |
| Moderate | 1.91 | 0.99‐3.71 | 0.06 |
| Severe | 5.55 | 2.12–14.50 | <0.001 |
| Missing | 1.70 | 0.53‐5.42 | 0.37 |
| Oral intake | |||
| Adequate | 1.00 | Reference | — |
| Inadequate | 2.54 | 1.39‐4.62 | 0.002 |
| Unknown/missing | 1.88 | 0.79‐4.44 | 0.15 |
| Presence of apnea | 2.87 | 1.45‐5.68 | 0.003 |
NOTE: Abbreviations: CI, confidence interval.