Temporal Trends in X-Ray Exposure during Coronary Angiography and Percutaneous Coronary Intervention
Table 1
Patient characteristics.
2013
2014
2015
2016
2017
2018
2019
Change 13–19
value
Age in years, mean (median)
66.5 (67)
66.2 (67)
66.7 (68)
66.9 (68)
67.1 (68)
67.4 (69)
67.7 (69)
1.2
0.001
Weight in kg, mean (median)
81.7 (80)
82.3 (81)
81.8 (80)
83 (82)
82.4 (81)
82.6 (82)
83.3 (83)
1.6
<0.001
BMI, mean (median)
27 (26.4)
27.1 (26.6)
27 (26.6)
27.4 (26.7)
27.3 (26.8)
27.3 (26.8)
27.4 (27.1)
0.4
<0.001
Male sex
69.1%
71.3%
69.7%
71.4%
69.8%
70.4%
73.5%
4.4%
NS
Male age in years, mean (median)
65.2 (66)
65 (66)
65.4 (66)
65.7 (67)
65.8 (67)
66.2 (67)
66.7 (68)
1.5
0.002
Female age in year, mean (median)
69.6 (70)
69.3 (70)
69.7 (71)
69.9 (71)
70 (71)
70.5 (72)
70.3 (72)
0.7
0.02
Male weight in kg, mean (median)
86.3 (85)
86.6 (85)
86.6 (85)
87.2 (85)
87 (85)
87.2 (85)
87.7 (86)
1.4
0.003
Female weight in kg, mean (median)
71.2 (70)
71.6 (70)
70.6 (69)
72.5 (71)
71.9 (70)
71.4 (70)
71.4 (70)
0.2
NS
Male height in cm, mean (median)
177.9 (178)
177.8 (178)
177.6 (178)
177.8 (178)
177.7 (178)
177.7 (178)
178 (178)
0.1
NS
Female height in cm, mean (median)
164 (164)
164.2 (164)
164.3 (164)
164.2 (164)
163.6 (164)
163.9 (164)
163.8 (164)
−0.2
NS
Male BMI, mean (median)
27.2 (26.8)
27.4 (26.8)
27.4 (27)
27.5 (26.9)
27.5 (26.9)
27.6 (27.1)
27.7 (27.4)
0.5
<0.001
Female BMI, (median)
26.5 (25.6)
26.5 (26)
26.2 (25.7)
26.9 (26.2)
26.8 (26.3)
26.6 (26.1)
26.6 (25.8)
0.1
NS
values calculated with linear regression for continuous variables and logistic regression for categorical variables with year elapsed as independent variable. BMI = body mass index; kg = kilogram.
