Table 4.
Outcomes of patients according to surgeon volume
| Surgeon volume* | Number of patients | Mortality | Length of stay (days)† | Complications |
|---|---|---|---|---|
| ORIF | ||||
| < 5 procedures/year | 8972 | 59 (0.7) | 5.3 ± 6.4 | 121 (1.3) |
| 5–14 procedures/year | 1102 | 2 (0.2) | 3.2 ± 3.5‡ | 11 (1.0) |
| ≥ 15 procedures/year | 416 | 0 (0) | 2.8 ± 3.2‡ | 2 (0.5) |
| Hemiarthroplasty | ||||
| < 5 procedures/year | 4361 | 26 (0.6) | 5.5 ± 5.4 | 77 (1.8) |
| 5–14 procedures/year | 1014 | 4 (0.4) | 3.8 ± 3.0‡ | 12 (1.2) |
| ≥ 15 procedures/year | 419 | 1 (0.2) | 3.4 ± 3.1‡ | 4 (1.0) |
* Hospital and surgeon volume of shoulder arthroplasty includes total shoulder arthroplasty and hemiarthroplasty; surgeon identifier not present for surgeons in CA, CT, GA, HI, IL, IN, KS (2001–2004), MA, NC, OH, OK (2005–2008), and UT, VT, WI, WV (2004–2008); †values are expressed as mean ± standard error; the remaining values are expressed as number of patients, with percentage in parentheses; ‡p < 0.01, compared with less than five procedures; ORIF = open reduction and internal fixation.