Demographics, occupational information, ICP workload, utilization of PPE of interventional cardiologists
The ICG included 642 interventional cardiologists who were characterized by relatively young age (39.9+/-6.7 years), high male proportion (75.9%), normal BMI (23.4+/-2.8 kg/m2), and healthy lifestyle (current smoking rate: 7.6%; regular drinking rate: 1.1%). Most of these cardiologists have a master’s or doctoral degree (77.4%) and > half (55.8%) have a title of associate chief physician or chief physician. Most interventional cardiologists work in general hospitals (94.5%), hospitals of the highest rank (tier IIIA) (79.8%), and in tier I or II cities (66.4%) in China. They had an average of 8.8 years of occupational experience of ICPs and conducted an average of 340.2 ICPs per year. The average time spent on ICPs was 3.1 days per week and 5.0 hours per day. The average time with wearing lead PPE was 4.2 hours per day. The most common utilized PPEs include lead clothes (99.4%), lead collars (94.7%), lead apron (60.1%) and personal radiation dose counter (52.8%). The reported data above is summarized in Table 1.