Table 3 Inter-rater reliability: OSATS global rating
OSATS global rating | Assessor 1 | Assessor 2 | p-value |
|---|---|---|---|
Respects tissues a | |||
 1 | 0 (0%) | 3 (2.5%) | 0.06 |
 2 | 9 (7.6%) | 8 (6.8%) | |
 3 | 60 (50.8%) | 47 (39.8%) | |
 4 | 45 (38.1%) | 48 (40.7%) | |
 5 | 4 (3.4%) | 12 (10.2%) | |
Time and motion a | |||
 1 | 1 (0.8%) | 2 (1.7%) | 0.02* |
 2 | 9 (7.6%) | 7 (5.9%) | |
 3 | 65 (55.1%) | 57 (48.3%) | |
 4 | 39 (33.1%) | 39 (33.1%) | |
 5 | 4 (3.4%) | 13 (11.0%) | |
Instrument handling a | |||
 1 | 0 (0%) | 4 (3.4%) | 0.21 |
 2 | 19 (16.1%) | 22 (18.6%) | |
 3 | 51 (43.2%) | 43 (36.4%) | |
 4 | 38 (32.2%) | 39 (33.1%) | |
 5 | 10 (8.5%) | 10 (8.5%) | |
Suture handling a | |||
 1 | 0 (0%) | 1 (0.8%) | 0.16 |
 2 | 23 (19.5%) | 14 (11.9%) | |
 3 | 47 (39.8%) | 53 (44.9%) | |
 4 | 37 (31.4%) | 36 (30.5%) | |
 5 | 11 (9.3%) | 14 (11.9%) | |
Flow of operation a | |||
 1 | 0 (0%) | 1 (0.8%) | 0.67 |
 2 | 5 (4.2%) | 14 (11.9%) | |
 3 | 59 (50.0%) | 53 (44.9%) | |
 4 | 41 (34.7%) | 36 (30.5%) | |
 5 | 13 (11.0%) | 14 (11.9%) | |
Knowledge of procedure a | |||
 1 | 1 (0.8%) | 3 (2.5%) | 0.76 |
 2 | 5 (4.2%) | 7 (5.9%) | |
 3 | 44 (37.3%) | 38 (32.2%) | |
 4 | 46 (39.0%) | 42 (35.6%) | |
 5 | 22 (18.6%) | 28 (23.7%) | |
Overall appearance a | |||
 1 | 0 (0%) | 0 (0%) | 0.00* |
 2 | 6 (5.1%) | 4 (3.4%) | |
 3 | 56 (47.5%) | 41 (34.7%) | |
 4 | 37 (31.4%) | 45 (38.1%) | |
 5 | 19 (16.1%) | 28 (23.7%) | |
Overall performance a | |||
 1 | 0 (0%) | 2 (1.7%) | 0.89 |
 2 | 7 (5.9%) | 7 (5.9%) | |
 3 | 52 (44.1%) | 48 (40.7%) | |
 4 | 36 (30.5%) | 35 (29.7%) | |
 5 | 23 (19.5%) | 26 (22.0%) | |
OSATS total score (Mean ± S.D) | |||
27.47 ± 5.85 |  | 28.05 ± 6.69 | 0.27 |