Outcome | Duration for All Subjects (N = 242) | Treatment Group | |||
---|---|---|---|---|---|

Ipratropium Only (n = 94) | Magnesium Only (n = 13) | Magnesium and Ipratropium (n = 42) | No Adjunct (n = 93) | ||

Duration of continuous albuterol, h, median (IQR) | 7.0 (2.8–12.0) | 4.9 (2.0–10.0)^{a} | 7.5 (2.5–16.0) | 11.0 (5.6–28.6)^{b} | 7.0 (3.5–10.4)^{a} |

Time to q4 albuterol, h, mean (IQR) | 38.7 (24.9–64.6) | 44.3 (29.5–64.6)^{a}^{,}^{b} | 50.7 (28.8–67.3)^{b} | 71.3 (46.9–99.3)^{b} | 26.7 (19.7–38.3)^{a} |

Hospital LOS, h, mean (IQR) | 49.0 (32.0–77.7) | 57.7 (41.1–79.1)^{a}^{,}^{b} | 57.0 (42.3–83.8)^{b} | 77.3 (50.8–104.4)^{b} | 33.7 (26.8–45.2)^{a} |