Table 1.
Descriptive characteristics of the study subjects who met the eligibility criteria
| IRs | Controls | Pvalue | |
|---|---|---|---|
| Variable | (n= 68) | (n= 171) | |
| Age | 42.2 ± 8·5 | 39.8 ± 6·9 | 0.0059 |
| Smoking (yes), n(%) | 40 (58.8) | 115 (67.2) | 0.180 |
| Smoking index | 177·0 ± 28.5 | 211.7 ± 18.0 | 0.06 |
| Drinking (yes), n(%) | 53 (77.9) | 147 (85.9) | 0.080 |
| Wearing glasses (yes), n(%) | 54 (79.4) | 120 (70.5) | 0.101 |
| Workplace (indoors only), n(%) | 68 (100) | 82 (48.0) | <0.0001 |
| Years of interventional experience, | 15.6 ± 7.8 | NA | |
| median (minimum–maximum) | 14 (1–32) | ||
| Total number of angiographies, | 1846.1 ± 1998.6 | NA | |
| median (minimum–maximum) | 1500 (0–10 000) | ||
| Total number of interventions, | 1982.3 ± 2056.5 | NA | |
| median (minimum–maximum) | 1200 (10–12 000) |
IRs = interventional radiologists, Values are means ± SD, NA = not applicable.