From: Coronary CT angiography for preoperative evaluation of non-cardiac surgery in patients with thoracic tumors: preliminary exploratory analysis in a retrospective cohort
Frequency (n, %)
Event (n, %)
p value
0
500 (64.2%)
0 (0)
< 0.001
1–99
96 (12.3%)
100–399
27 (28.1%)
400–999
56 (7.2%)
24 (42.9%)
> 1000
31 (4.0%)
15 (48.4%)