Table 4.
Participant Characteristics by Complete Case and Missing Values for %FEV1 at Baseline
| Characteristic | Baseline %FEV1 obtained (n = 352) | Baseline %FEV1 not obtained (n = 184) | P valuea |
|---|---|---|---|
| Age, years [IQR]b | 9.4 [7.6,11.9] | 8.6 [6.3,11.5] | 0.006 |
| Male gender | 201 (57) | 129 (57) | 0.47 |
| Respiratory rate (/min), median [IQR]b | 24 [ 21,30] | 26 [22,30] | 0.047 |
| Magnesium treatment | 42 (12) | 25 (14) | 0.58 |
| Continuous albuterol treatment | 225 (64) | 120 (65) | 0.77 |
| Disposition | 0.061 | ||
| Discharge to home | 286 (81) | 141 (77) | |
| Admit to floor bed | 50 (14) | 25 (14) | |
| Admit to PICU | 16 (5) | 18 (10) | |
| GINA controlled categoryc | 186 (53) | 87(47) | 0.22 |
Data are presented n (%) or median [IQR] where IQR = interquartile range.
a
Wilcoxon rank sum test for continuous variables and Chi-square test for categorical variables
b
Interquartile range
c
Meeting controlled category of Global Initiative for Asthma chronic severity score for preceding 3-month period