Table 2 Univariate associations between potential predictors (Age, Wt, BL, HC, BMI, Gender) and outcomes (cricoid, RMS and LMS cross-sectional areas).
From: Airway sizes and proportions in children quantified by a video-bronchoscopic technique
Outcome | Predictor | β value | Unadj r2 | F statistic | p-value |
|---|---|---|---|---|---|
Cricoid area (mm 2 ) | Age (yrs) | 0.205 | 0.042 | 5.432 | 0.021 |
| Â | Wt (kg) | 0.163 | 0,026 | 3.375 | 0.069 |
| Â | BL (cm) | 0.254 | 0.065 | 8.00 | 0.006 |
| Â | HC (cm) | 0.192 | 0.037 | 4.297 | 0.040 |
| Â | BMI (kg/m2) | -0.004 | 0.000 | 0.002 | 0.962 |
| Â | Gender | -0.023 | 0.001 | 0.067 | 0.796 |
RMS area (mm 2 ) | Age (yrs) | 0.378 | 0.143 | 18.661 | 0.0001 |
| Â | Wt (kg) | 0.394 | 0.155 | 20.591 | 0.0001 |
| Â | BL (cm) | 0.383 | 0.147 | 18.103 | 0.0001 |
| Â | HC (cm) | 0.281 | 0.079 | 8.944 | 0.003 |
| Â | BMI (kg/m2) | 0.171 | 0.029 | 3.163 | 0.078 |
| Â | Gender | -0.039 | 0.002 | 0.172 | 0.679 |
LMS area (mm2) | Age (yrs) | 0.245 | 0.060 | 6.788 | 0.010 |
| Â | Wt (kg) | 0.263 | 0.069 | 7.849 | 0.006 |
| Â | BL (cm) | 0.214 | 0.046 | 4.745 | 0.032 |
| Â | HC(cm) | 0,220 | 0.039 | 4.931 | 0.029 |
| Â | BMI (kg/m2) | 0.151 | 0.023 | 2.308 | 0.132 |
| Â | Gender | 0.164 | 0.027 | 2.943 | 0.089 |