Table 2.
Multivariable logistic regression analysis on the impact of PGY group versus attending-only involvement on length of stay, operative time, overall complications, and readmission as drawn from the National Surgical Quality Improvement Program Participant User Files from 2005–2011*
| Partial nephrectomy | Radical nephrectomy | Radical prostatectomy | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Variables | No resident | Junior (PGY 1–2) | Senior (PGY 3–4) | Chief (PGY >5) | No resident | Junior (PGY 1–2) | Senior (PGY 3–4) | Chief (PGY >5) | No resident | Junior (PGY 1–2) | Senior (PGY 3–4) | Chief (PGY >5) |
| pLOS | 1 (Ref.) | 1.85 (1.09–3.12) | 0.49 (0.25–0.96) | 1.21 (0.80–1.82) | 1 (Ref.) | 1.04 (0.74–1.45) | 0.78 (0.56–1.10) | 0.92 (0.73–1.17) | 1 (Ref.) | 1.19 (0.93–1.51) | 0.68 (0.50–0.92) | 0.90 (0.75–1.09) |
| p value | 0.022 | 0.039 | 0.366 | 0.844 | 0.156 | 0.504 | 0.159 | 0.014 | 0.293 | |||
| pOT | 1 (Ref.) | 3.01 (1.85–4.90) | 1.86 (1.15–3.01) | 2.44 (1.70–3.49) | 1 (Ref.) | 2.29 (1.59–3.31) | 2.50 (1.75–3.58) | 2.35 (1.82–3.05) | 1 (Ref.) | 2.00 (1.66–2.41) | 1.31 (1.06–1.62) | 1.32 (1.14–1.53) |
| p value | <0.001 | 0.012 | <0.001 | <0.001 | <0.001 | <0.001 | <0.001 | 0.012 | <0.001 | |||
| Overall complications | 1 (Ref.) | 2.13 (0.78–5.77) | 0.72 (0.19–2.72) | 1.71 (0.76–3.83) | 1 (Ref.) | 0.84 (0.44–1.60) | 1.02 (0.57–1.85) | 1.10 (0.74–1.65) | 1 (Ref.) | 1.00 (0.65–1.52) | 0.94 (0.59–1.49) | 1.04 (0.77–1.42) |
| p value | 0.140 | 0.625 | 0.194 | 0.599 | 0.943 | 0.629 | 0.985 | 0.781 | 0.788 | |||
| Reoperation | 1 (Ref.) | 1.29 (0.21–8.00) | 0.65 (0.67–6.34) | 1.97 (0.53–7.35) | 1 (Ref.) | 1.02 (0.41–2.52) | 0.78 (0.30–2.08) | 0.65 (0.33–1.30) | 1 (Ref.) | 0.64 (0.27–1.53) | 0.38 (0.12–1.25) | 0.90 (0.52–1.57) |
| p value | 0.786 | 0.708 | 0.316 | 0.972 | 0.622 | 0.223 | 0.316 | 0.111 | 0.716 | |||
| Readmission | 1 (Ref.) | 0.47 (0.05–4.83) | 0.95 (0.15–6.19) | 1.41 (0.35–5.64) | 1 (Ref.) | 1.61 (0.54–4.83) | 1.00 (0.29–3.45) | 0.82 (0.29–2.28) | 1 (Ref.) | 1.53 (0.70–3.35) | 1.61 (0.74–3.54) | 1.12 (0.56–2.26) |
| p value | 0.529 | 0.961 | 0.626 | 0.394 | 0.998 | 0.697 | 0.283 | 0.233 | 0.754 | |||
pLOS: prolonged length of stay; pOT: Prolonged operative time.
*
Multivariate model controlled for patient age, race, body mass index, smoking status, and American Society of Anesthesiologists category.