Table 4.
Outcomes: All, MIS, and Open cases.
| Pre-ERAS | ERAS (early) | ERAS (late) | p | |
|---|---|---|---|---|
| All cases (n) | 1000 | 1000 | 1000 | |
| LOS (days) | <0.0001abc | |||
| Mean (SD) | 5.2 (2.8) | 4.5 (4.3) | 4.0 (3.7) | |
| Median (i.q.r) | 4.6 (3.8 – 5.9) | 3.2 (2.7 – 4.9) | 3.1 (2.2 – 4.1) | |
| 30-day readmission (%) | 79 (7.9) | 76 (7.6) | 77 (7.7) | 0.97 |
| MIS cases (n) | 623 | 701 | 697 | |
| LOS (days) | <0.0001abc | |||
| Mean (SD) | 4.9 (2.5) | 4.2 (4.2) | 3.7 (3.2) | |
| Median (i.q.r) | 4.2 (3.8 – 5.3) | 3.1 (2.3 – 4.2) | 3.0 (2.1 – 4.0) | |
| 30-day readmission (%) | 46 (7.4) | 45 (6.4) | 52 (7.5) | 0.70 |
| Open cases (n) | 377 | 299 | 303 | |
| LOS (days) | 0.02b | |||
| Mean (SD) | 5.5 (3.2) | 5.2 (4.5) | 4.6 (4.6) | |
| Median (i.q.r) | 4.9 (3.2 – 6.3) | 4.0 (2.9 – 5.9) | 3.1 (2.2 – 5.7) | |
| 30-day readmission (%) | 33 (8.8) | 31 (10.4) | 25 (8.3) | 0.64 |
ERAS, Enhanced Recovery after surgery. LOS, length of stay. i.q.r., interquartile range.
p = chi-square test (categorical variables) or ordinary one-way ANOVA, Tukey’s multiple comparisons test (continuous variables).
a,
significant for Pre- vs Early ERAS.
b,
significant for Pre- vs Late ERAS.
c,
significant for Early vs Late ERAS.