Table S3. Proportion of surgeons with a PhD degree according to seniority, subspecialty and institutional ranking.
| Cardiac and thoracic surgeons | Cardiac surgeons only | Thoracic surgeons only | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| All CT centers | Top CT centers | Other CT centers | All CT centers | Top CT centers | Other CT centers | All CT centers | Top CT centers | Other CT centers | |||
| All faculty | |||||||||||
| MD only | 629 (90.6) | 270 (90.3) | 359 (90.9) | 436 (89.2) | 180 (88.7) | 256 (89.5) | 193 (94.1%) | 90 (93.8%) | 103 (94.5%) | ||
| MD PhD | 65 (9.4) | 29 (9.7) | 36 (9.1) | 53 (10.8) | 23 (11.3) | 30 (10.5) | 12 (5.9%) | 6 (6.3%) | 6 (5.5%) | ||
| – | 0.90± | – | 0.88± | – | 1± | ||||||
| Junior faculty | |||||||||||
| MD only | 225 (88.6) | 92 (88.5) | 133 (88.7) | 133 (85.3) | 53 (84.1) | 80 (86) | 92 (93.9%) | 39 (95.1%) | 53 (93%) | ||
| MD PhD | 29 (11.4) | 12 (11.5) | 17 (11.3) | 23 (14.7) | 10 (15.9) | 13 (14) | 6 (6.1%) | 2 (4.9%) | 4 (7%) | ||
| P | – | 1± | – | 0.92± | – | 1FET | |||||
| Senior faculty | |||||||||||
| MD only | 402 (92) | 176 (91.2) | 226 (92.6) | 301 (91.2) | 125 (90.6) | 176 (91.7) | 101 (94.4%) | 51 (92.7%) | 50 (96.2%) | ||
| MD PhD | 35 (8) | 17 (8.8) | 18 (7.4) | 29 (8.8) | 13 (9.4) | 16 (8.3) | 6 (5.6%) | 4 (7.3%) | 2 (3.8%) | ||
| P | – | 0.71± | – | 0.88± | – | 0.68FET | |||||
Data expressed as number (percentage). ±, Chi square test. FET, Fisher exact test.