Table 3.

Comparison of the histopathology of the proximal ends (away from the puncture site) of radial arteries between TRA group and NCA group

Variables	TRA group (n = 15)	NCA group (n = 19)	P value
Intimal proliferation (n, %)	4 (36.7%)	1 (5.3%)	0.074
Medial calcification (n, %)	4 (36.7%)	3 (15.8%)	0.281
Medial inflammation (n, %)	1 (6.7%)	0	0.406
Tissue/fat necrosis (n, %)	2 (13.3%)	0	0.157
Adventitial inflammation (n, %)	0	0
Adventitial necrosis (n, %)	2 (13.3%)	0	0.157
Adventitial neovascularization (n, %)	0	1 (5.3%)	0.559

Abbreviations: NCA, never catheterized arteries; TRA, transradial catheterized arteries.