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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
  Wt (kg) 0.163 0,026 3.375 0.069
  BL (cm) 0.254 0.065 8.00 0.006
  HC (cm) 0.192 0.037 4.297 0.040
  BMI (kg/m2) -0.004 0.000 0.002 0.962
  Gender -0.023 0.001 0.067 0.796
RMS area (mm 2 ) Age (yrs) 0.378 0.143 18.661 0.0001
  Wt (kg) 0.394 0.155 20.591 0.0001
  BL (cm) 0.383 0.147 18.103 0.0001
  HC (cm) 0.281 0.079 8.944 0.003
  BMI (kg/m2) 0.171 0.029 3.163 0.078
  Gender -0.039 0.002 0.172 0.679
LMS area (mm2) Age (yrs) 0.245 0.060 6.788 0.010
  Wt (kg) 0.263 0.069 7.849 0.006
  BL (cm) 0.214 0.046 4.745 0.032
  HC(cm) 0,220 0.039 4.931 0.029
  BMI (kg/m2) 0.151 0.023 2.308 0.132
  Gender 0.164 0.027 2.943 0.089