Anticipated and reported operative difficulty scores
| Variable | Mean | Median | Range | IQR | Cases (n, %) |
| Surgeon 1* | 11 (14%) | ||||
| AOD score | 4.1 | 4 | 3–5 | 4–4.5 | |
| ROD score | 2.6 | 2.8 | 1–4 | 1.8–3.6 | |
| Surgeon 2† | 31 (39%) | ||||
| AOD score | 4.6 | 5 | 1–7 | 4–6 | |
| ROD score | 4.1 | 4.3 | 1.3–6.4 | 3.1–5.2 | |
| Surgeon 3‡ | 25 (32%) | ||||
| AOD score | 4.3 | 4 | 2–7 | 3–5 | |
| ROD score | 3.6 | 4 | 1–5.7 | 2–5 | |
| Surgeon 4§ | 12 (15%) | ||||
| AOD score | 5.1 | 5 | 1–6 | 5–6 | |
| ROD score | 4.1 | 4.4 | 1.8–5.4 | 4–4.5 | |
| Cohort | 79 (100%) | ||||
| AOD score | 4.5 | 5 | 2–7 | 4–5 | |
| ROD score | 3.8 | 4.2 | 1–6.4 | 2.8–4.8 |
Anticipated operative difficulty and reported operative difficulty scores were reported on a range of 1 to 7, with higher scores representing greater than typical degrees of difficulty.
*AA
†DK
‡LB
§SR
AOD, Anticipated operative difficulty; IQR, Interquartile Range; ROD, Reported Operative Difficulty.