Table 4. Perioperative characteristics of study population stratified by readmission status.
| Characteristics | Readmission within 30 days of discharge* | ||
|---|---|---|---|
| Yes (n=19) | No (n=57) | P value1 | |
| Pre-operative dietitian visits, mean (SD) | 3.4 (2.6) | 3.7 (3.4) | 0.71 |
| Pre-operative albumin <3.0 g/dL | 0 | 0 | NA |
| Pre-resection feeding tube2, n (%) | 1 (6.3) | 5 (8.3) | >0.99 |
| Induction therapy duration (days), mean (SD) | 39.5 (7.5) | 38.1 (6.4) | 0.46 |
| Pre-operative ECOG performance status, n (%) | 0.36 | ||
| 0 | 5 (26.3) | 10 (17.5) | |
| 1 | 13 (68.4) | 46 (80.7) | |
| 2 | 1 (5.3) | 1 (1.8) | |
| Pre-operative percent weight loss3 (kg), mean (SD) | −5.3 (5.4) | −7.5 (7.3) | 0.24 |
| Post-treatment psoas muscle index4 (mm2/m2), mean (SD) | |||
| Male | 790.9 (253.4) | 709.5 (266.0) | 0.27 |
| Female | 524.6 | 451.6 (108.7) | NA |
| Change in psoas muscle index4 (%), mean (SD) | −9.2 (10.8) | −11.1 (11.1) | 0.54 |
| New post-treatment sarcopenia5, n (%) | |||
| Male | 1 (6.3) | 9 (18.8) | 0.26 |
| Female | 0 | 2 (18.2) | >0.99 |
| Operative time (minutes), mean (SD) | 537.6 (74.9) | 468.1 (85.8) | 0.002 |
| Surgical approach, n (%) | 0.41 | ||
| Robotic-assisted | 14 (81.3) | 35 (60.0) | |
| Open | 5 (18.8) | 22 (40.0) | |
| Pathologic stage, n (%) | 0.98 | ||
| I | 9 (47.4) | 22 (38.5) | |
| II | 2 (10.5) | 9 (15.8) | |
| III | 3 (15.8) | 9 (15.8) | |
| IV | 1 (5.3) | 4 (7.0) | |
| No residual | 4 (21.1) | 13 (22.8) | |
| Index procedure length of stay (days), mean (SD) | 9.6 (3.8) | 10.6 (5.6) | 0.39 |
| Discharge location, n (%) | 0.01 | ||
| Home | 15 (79.0) | 56 (98.3) | |
| Rehab facility | 4 (21.1) | 1 (1.8) | |
| 30-day grade 3/4 complications6, n (%) | 17 (89.5) | 18 (31.6) | <0.001 |
| In-hospital | 8 (42.1) | 18 (31.6) | 0.42 |
| Anastomotic leak | 1 (5.2) | 6 (10.5) | 0.67 |
| Delayed gastric emptying | 2 (10.5) | 8 (14.0) | >0.99 |
| Pleural effusion | 2 (10.5) | 3 (5.3) | 0.59 |
| Respiratory failure | 0 | 2 (3.5) | NA |
| Pneumothorax | 0 | 2 (3.5) | NA |
| After discharge | 13 (68.4) | 0 | NA |
| Anastomotic leak | 4 (21.1) | 0 | NA |
| Delayed gastric emptying | 1 (5.3) | 0 | NA |
| Respiratory failure | 1 (5.3) | 0 | NA |
| Pleural effusion | 7 (36.8) | 0 | NA |
| 30-day mortality, n (%) | 0 | 0 | NA |
| 90-day mortality, n (%) | 2 (10.5) | 2 (3.5) | 0.26 |
*, excludes 2 in-hospital mortalities. 1, P values from Student’s t-test or Fischer’s exact test where appropriate; 2, includes j-tube and transnasal feeding tube placement; 3, percent of weight lost from initial visit to day of surgery; 4, psoas muscle index as defined by psoas muscle area normalized for height; 5, as defined by sex-specific cutoffs; 6, grade 3/4 complications as classified by Clavien-Dindo. SD, standard deviation; ECOG, Eastern Cooperative Oncology Group; NA, not applicable.