From: The hidden risk of ionizing radiation in the operating room: a survey among 258 orthopaedic surgeons in Brazil
Back pain frequency
Lead apron use
Total
p-value
Yes
%
No
Never
99
38.7
2
100.0
101
0.209
Prolonged surgeries
129
50.4
0
0.0
All surgeries
28
10.9
256
258