Table 3 P values for comparisons of radiation mean dose data between medical specialties for high dose (> 5000 mGy) procedures. *Statistical significance level is P < 0.05 (FT = fluoroscopy time, DAP = dose area product, K_a,r. = reference point air kerma)

From: Fluoroscopically-guided interventions with radiation doses exceeding 5000 mGy reference point air kerma: a dosimetric analysis of 89,549 interventional radiology, neurointerventional radiology, vascular surgery, and neurosurgery encounters