Table 2.
Case Volume for the Pilot and Comparison Cohorts
| Pre-intervention group (January 1, 2012 – June 30, 2013) (n = 4,960) | Post-intervention group (August 1, 2013 – January 31, 2014) (n = 2,058) | p Value | |
|---|---|---|---|
| Age, y, median (IQR) | 62 (52 – 71) | 62 (52 – 71) | NS |
| Male sex, n (%) | 2,400 (48) | 925 (45) | 0.009 |
| BMI, kg/m2, median (IQR) | 27 (24 – 31) | 27 (24 – 31) | NS |
| LOS, d, median (IQR) | 5.0 (3.0 – 7.0) | 4.0 (2.0 – 7.0) | NS |
| Race, n (%) | |||
| Asian | 285 (5.7) | 133 (6.5) | 0.002 |
| Black | 250 (5.0) | 128 (6.2) | |
| Native American | 2 (<0.1) | 0 (0) | |
| White | 4239 (85) | 1687 (82) | |
| Unknown | 184 (3.7) | 110 (5.3) | |
| All cases, n | 4,960 | 2,058 | |
| By service, n (%) | |||
| Colorectal | 1200 (24) | 474 (23) | NS |
| GMT | 943 (19) | 369 (18) | |
| GYN | 509 (11) | 314 (15) | |
| Thoracic | 1794 (36) | 689 (33) | |
| Urology | 514 (10) | 212 (10) |
GMT, Gastric and Mixed Tumor Service; GYN, Gynecology Service; LOS, length of stay.