Table 3.

—Effect Estimates (β Values) of Segmental and Subsegmental WA% of Two Models for FEV₁ % Predicted by Bronchial Path

Model 1: FEV1 % Predicted = Segmental or Subsegmental WA%				Model 2: FEV1 % Predicted = Segmental or Subsegmental WA% + Lobar Emphysema
	Airway Segment			Airway Segment
Bronchial Path	Segmental	Subsegmental	β-Value Change	Segmental	Subsegmental	β-Value Change
RB1	−0.78	−2.22	−1.44a	−1.13	−2.05	−0.92a
RB4	−1.63	−2.36	−0.74a	−1.86	−2.27	−0.41
RB10	−1.47	−2.07	−0.60a	−1.70	−2.14	−0.43a
LB1	−1.66	−2.55	−0.89a	−1.79	−2.27	−0.48a
LB4	−1.49	−2.25	−0.76a	−1.52	−2.00	−0.48a
LB10	−1.47	−1.87	−0.40	−1.58	−1.75	−0.17

See Table 2 legend for expansion of abbreviations.

^aP < .05.