Research Article
Impact of Resident Involvement on 30-Day Postoperative Outcomes in Orthopedic Shoulder Surgery
Table 2
Operative characteristics in 5,648 patients treated with shoulder surgery in 2010–2012, categorized by resident presence.
| Operative variable | Resident present | value | No (3455 patients) | Yes (2193 patients) | Value | % | Value | % |
| ASA classification | 0.247 | Class 1, no disturbance | 395 | 11.5 | 226 | 10.3 | | Class 2, mild disturbance | 1708 | 49.5 | 1147 | 52.3 | | Class 3, severe disturbance | 1256 | 36.4 | 770 | 35.1 | | Class 4, life threatening disturbance | 89 | 2.6 | 50 | 2.3 | | Class 5, moribund | 1 | <0.1 | 0 | 0.0 | | Emergency case | 102 | 3.0 | 110 | 5.0 | <0.001 | Transfusion >4 U PRBC’s 72 hr preoperative | 16 | 0.5 | 18 | 0.8 | 0.090 | Total operation time in min, mean ± SD | 92.3 ± 52.3 | 111.3 ± 70.1 | <0.001 |
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ASA = American Society of Anesthesiologists, PRBC’s = packed red blood cells. Denotes significant difference between cohorts ( ). |