. 2016 May 5;121(1):312–323. doi: 10.1152/japplphysiol.00297.2016

Table 3.

Morphometric measurements following right pneumonectomy

	Left Cranial Lobe		Left Middle Lobe		Left Caudal Lobe
	Sham	PAB	Sham	PAB	Sham	PAB
Lung volume, ml/kg
Immersion	17.82 ± 4.01	19.21 ± 4.87	11.02 ± 1.33	9.39 ± 0.19^*	32.46 ± 2.93	31.11 ± 3.44
Cavalieri	15.36 ± 4.35	14.64 ± 3.81	9.42 ± 2.09	6.49 ± 0.56^*	27.85 ± 3.84	25.25 ± 3.71
Morphometric hematocrit
Morphometric hematocrit	0.541 ± 0.006	0.539 ± 0.045	0.555 ± 0.010	0.519 ± 0.061	0.521 ± 0.024	0.538 ± 0.042
Harmonic mean thickness of diffusion barrier (τ_hb)
τ_hb, μm	0.861 ± 0.034	0.821 ± 0.076	0.892 ± 0.019	0.826 ± 0.084	0.817 ± 0.013	0.788 ± 0.053
Volume density per unit lung volume
Coarse parenchyma§	0.9477 ± 0.0028	0.9112 ± 0.0105^*	0.9553 ± 0.0137	0.9294 ± 0.0104^*	0.9447 ± 0.0207	0.9075 ± 0.0156^*
Fine parenchyma^@	0.9371 ± 0.0013	0.8892 ± 0.0094^*	0.9446 ± 0.0117	0.9032 ± 0.0071^*	0.9335 ± 0.0194	0.8919 ± 0.0132^*
Septum†	0.0951 ± 0.0179	0.0783 ± 0.0082	0.0963 ± 0.0336	0.0815 ± 0.0048	0.1118 ± 0.0168	0.0789 ± 0.0076^*
Volume density per unit septum volume
Capillary blood	0.5797 ± 0.0118	0.5829 ± 0.0236	0.5762 ± 0.0169	0.5915 ± 0.0101	0.5845 ± 0.0178	0.6229 ± 0.0374
Septal extravascular tissue	0.4203 ± 0.0118	0.4171 ± 0.0236	0.4238 ± 0.0169	0.4085 ± 0.0101	0.4155 ± 0.0178	0.3771 ± 0.0374
Epithelium	0.1543 ± 0.0030	0.1674 ± 0.0169	0.1503 ± 0.0061	0.1534 ± 0.0187	0.1519 ± 0.0057	0.1498 ± 0.0225
Type I	0.0967 ± 0.0037	0.1100 ± 0.0063^*	0.0978 ± 0.0029	0.1013 ± 0.0163	0.0925 ± 0.0060	0.0974 ± 0.0189
Type II	0.0577 ± 0.0054	0.0574 ± 0.0108	0.0524 ± 0.0048	0.0520 ± 0.0073	0.0594 ± 0.0087	0.0523 ± 0.0100
Interstitium§	0.1636 ± 0.0037	0.1462 ± 0.0071^*	0.1720 ± 0.0144	0.1503 ± 0.0195	0.1612 ± 0.0156	0.1292 ± 0.0180^*
Collagen^@	0.1247 ± 0.0050	0.1110 ± 0.0086^*	0.1357 ± 0.0131	0.1066 ± 0.0119^*	0.1250 ± 0.0137	0.0960 ± 0.0140^*
Cells and matrix	0.0389 ± 0.0033	0.0352 ± 0.0061	0.0363 ± 0.0043	0.0437 ± 0.0101	0.0362 ± 0.0022	0.0332 ± 0.0077
Endothelium	0.1003 ± 0.0086	0.1024 ± 0.0096	0.1011 ± 0.0061	0.1016 ± 0.0054	0.1005 ± 0.0030	0.1024 ± 0.0026
Surface density per unit septum volume
Alveolar surface, cm⁻¹	3,955 ± 301	3,853 ± 476	3,878 ± 232	3,740 ± 676	3,813 ± 195	3,990 ± 354
Capillary surface,† cm⁻¹	4,001 ± 136	4,451 ± 547	3,828 ± 258	4,576 ± 438^*	4,035 ± 157	4,493 ± 232^*

Values are means ± SD.

P ≤ 0.05, PAB vs. Sham banding in the same lobe by two-tailed unpaired t-test. †P ≤ 0.05, §P ≤ 0.01, ^@P ≤ 0.001, PAB vs. Sham banding across all lobes by repeated-measures ANOVA.