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. 2021 Jul 31;21:411. doi: 10.1186/s12909-021-02844-z

Table 4.

Demographics and characteristics according to residents’ expected supervision level

Novice Advanced Beginner Competent Proficient
Gender (female, %) 90 (57.0) 62 (48.1) 34 (50.0) 53 (42.7)
Postgraduate year 5.67 ± 2.21 6.29 ± 2.8 6.74 ± 4.27 8.12 ± 3.99
Duration of training
 - 1–6 months (%) 83 (52.5) 54 (41.9) 24 (35.3) 30 (24.2)
 - 7–12 months (%) 41 (25.9) 14 (10.9) 15 (22.1) 18 (14.5)
 - > 12 months (%) 34 (21.5) 61 (47.3) 29 (42.6) 76 (61.3)
Base specialty
 - Intensive care medicine (%) 30 (19.0) 42 (32.6) 20 (29.4) 52 (41.9)
 - Anesthesiology (%) 28 (17.7) 25 (19.4) 13 (19.1) 38 (30.6)
 - Internal medicine (%) 71 (44.9) 39 (30.2) 21 (30.9) 20 (16.1)
 - Surgery (%) 18 (11.4) 17 (13.2) 12 (17.6) 9 (7.3)
 - Others (%) 11 (7.0) 6 (4.7) 2 (2.9) 5 (4.0)
Skill repetitions
 - 0 (%) 156 (98.7) 66 (51.2) 9 (13.2) 4 (3.2)
 - 1–5 (%) 2 (1.3) 57 (44.2) 27 (39.7) 10 (8.1)
 - 6–10 (%) 0 (0) 5 (3.9) 14 (20.6) 15 (12.1)
 - 11–20 (%) 0 (0) 1 (0.8) 13 (19.1) 26 (21.0)
 - 21–50 (%) 0 (0) 0 (0) 3 (4.4) 23 (18.5)
 - > 50 (%) 0 (0) 0 (0) 2 (2.9) 46 (37.1)
Skill type
 - Arterial line insertion (%) 0 (0) 0 (0) 13 (19.1) 47 (37.9)
 - Central line insertion (%) 0 (0) 7 (5.4) 17 (25.0) 36 (29.0)
 - Chest drain insertion (%) 8 (5.1) 25 (19.4) 11 (16.2) 16 (12.9)
 - Endotracheal intubation (%) 9 (5.7) 19 (14.7) 12 (17.6) 19 (15.3)
 - Tracheotomy (%) 25 (15.8) 25 (19.4) 6 (8.8) 4 (3.2)
 - Cricothyroidotomy (%) 34 (21.5) 21 (16.3) 3 (4.4) 2 (1.6)
 - ECMO cannula insertion (%) 41 (25.9) 17 (13.2) 2 (2.9) 0 (0)
 - Pericardiocentesis (%) 41 (25.9) 4 (5.9) 4 (5.9) 0 (0)