Table 4.

Lesion and angiographic analysis.

Variables	n = 77
Side, right/left, n (%)	72 (64.9)/38 (34.2)
Lobe, superior/middle/inferior, n (%)	22 (19.8)/2 (1.8)/86 (77.5)
Pre-BPA reference vessel diameter, mm	5.50 ± 1.86
Post-BPA reference vessel diameter, mm	6.10 ± 1.75⁎⁎
Pre-BPA MLD, mm	2.22 ± 1.18
Post-BPA MLD, mm	3.39 ± 1.30⁎⁎
Vessel expansion ratio	1.94 ± 1.28
Final balloon diameter, mm	5.26 ± 1.44
Balloon-vessel ratio	0.89 ± 0.21

Values are mean ± SD or percent. BPA, balloon pulmonary angioplasty; MLD, minimal lumen diameter.

^⁎⁎p value was < 0.01 compared with before BPA.