Table 2.
Baseline Characteristics of Patients in the 1-Year Periods Before (Pre) and After (Post) the Enhanced Recovery After Surgery Implementation Across 20 Medical Centers in Kaiser Permanente Northern California
Characteristic | Elective Colorectal Resection
|
Emergency Hip Fracture Repair
|
||||
---|---|---|---|---|---|---|
Pre (n = 1890) | Post (n = 1878) | P Valuea | Pre (n = 2488) | Post (n = 2514) | P Valuea | |
Age, mean (SD), y | 63.2 (14.2) | 62.1 (14.0) | .02 | 79.3 (11.9) | 79.7 (11.7) | .23 |
| ||||||
COPS2, mean (SD) | 27.5 (30.8) | 27.9 (30.1) | .64 | 43.9 (40.7) | 43.5 (40.0) | .72 |
| ||||||
LAPS2, mean (SD) | 20.2 (13.0) | 19.7 (12.4) | .22 | 57.0 (29.5) | 58.0 (30.2) | .21 |
| ||||||
Direct ICU admission, No. (%) | 5 (0.3) | 6 (0.3) | .76 | 16 (0.6) | 19 (0.8) | .63 |
| ||||||
Elapsed time between admission and surgery, median (IQR), h | 2.2 (1.8–2.9) | 2.2 (1.7–2.9) | .63 | 15.9 (6.1–23.6) | 15.7 (6.3–23.0) | .52 |
| ||||||
Duration of surgery, median (IQR), h | 2.6 (1.9–3.6) | 2.7 (2.0–3.9) | .01 | 1.0 (0.7–1.4) | 1.0 (0.7–1.4) | .53 |
Abbreviations: COPS2, Comorbidity Point Score, version 2; ICU, intensive care unit; IQR, interquartile range; LAPS2, Laboratory and Acute Physiology Score, version 2.
P values for pre-post comparisons are based on 2-tailed, unpaired t test; χ2 test; or Wilcoxon rank sum test.