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Adjusted 30-day postoperative mortality by lead surgeon volume and assistant surgeon use and volume (P = .74).
| Lead Surgeon Volume | |||||
|---|---|---|---|---|---|
| Q1 | Q2 | Q3 | Q4 | Q5 | |
| No Assistant Surgeon | 4.7% | 4.4% | 4.1% | 3.3% | 3.2% |
| Low-Volume Assistant Surgeon | 5.2% | 4.6% | 3.6% | 4.2% | 3.0% |
| High-Volume Assistant Surgeon | 7.3% | 2.4% | 7.2% | 4.4% | 2.9% |
