Table 2

Radiation exposure and clinical outcome variables comparison in TRA versus TFA

TRA (n=66)TFA (n=149)P value
FT17.2 (11.8–22.1)10.5 (8.7–14.4)<0.001
DAP3323.6 (2291.5–4658.8)2442 (1702.4–3558.1)0.005
TD298.5 (208.3–413.0)220.3 (149.7–306.7)0.002
Median # Vessels5 (4–6)6 (4–6)0.12
1–5(38) 57.6%(66) 44.3%0.08
6(28) 42.4%(83) 55.7%
TS P50.8 (42.3–57.7)50.8 (44.9–57.7)0.71
TS M53.3 (45.8–56)50.8 (45.8–59)0.75
3D(39) 59.1%(79) 53%0.46
No 3D(27) 40.9%(70) 47%
  • #, number; 3D, three dimensions; DAP, dose area product; FT, fluoroscopy time; M, mental; P, physical; TD, total dose; TFA, transfemoral access; TRA, transradial access; TS, T Score.