Table 4.
Patient Variables for 30-day Readmissions from Date of Surgery and Date of Discharge
| All patients N (%) |
Patients with a 30-day readmission |
||||
|---|---|---|---|---|---|
| Date of surgery N (%) |
P value | Date of discharge N (%) |
P value | ||
| 677 (100%) | 130 (19.2%) | 155 (22.9%) | |||
| Proxy SES | |||||
| ADI | 0.04 | 0.07 | |||
| Low (1–3) | 125 (18.5%) | 14 (11.2%) | 19 (15.2%) | ||
| Medium (4–6) | 189 (27.9%) | 40 (21.2%) | 46 (24.3%) | ||
| High (7–10) | 363 (53.6%) | 76 (20.9%) | 90 (24.8%) | ||
| DCI (2-Category) | 0.09 | 0.1 | |||
| Low Distress (DCI ≤75) | 416 (61.4%) | 71 (17.1%) | 86 (20.7%) | ||
| High Distress (DCI >75) | 261 (38.6%) | 59 (22.6%) | 69 (26.4%) | ||
| DCI (3-Category) | 0.07 | 0.13 | |||
| Pros/Comf (0–39) | 190 (28.1%) | 26 (13.7%) | 34 (17.9%) | ||
| Mid-Tier (40–59) | 73 (10.8%) | 17 (23.3%) | 20 (27.4%) | ||
| Risk/Dis (60–100) | 414 (61.1%) | 87 (21.0%) | 101 (24.4%) | ||
| Insurance Status | 0.08 | 0.1 | |||
| Medicare/Private | 272 (40.2%) | 43 (15.8%) | 53 (19.5%) | ||
| Medicaid/Dual/Carelink/Self-pay | 405 (59.8%) | 87 (21.5%) | 102 (25.2%) | ||
| Preoperative Variables | |||||
| Age | 0.36 | 0.2 | |||
| 18–44 | 133 (19.6%) | 25 (18.8%) | 33 (24.8%) | ||
| 45–64 | 400 (59.1%) | 83 (20.8%) | 97 (24.3%) | ||
| 65+ | 144 (21.3%) | 22 (15.3%) | 25 (17.4%) | ||
| Sex | 0.91 | 0.86 | |||
| Male | 365 (53.9%) | 69 (18.9%) | 85 (23.3%) | ||
| Female | 312 (46.1%) | 61 (19.6%) | 70 (22.4% | ||
| Hispanic Ethnicity | 0.36 | 0.62 | |||
| Yes | 432 (63.8%) | 88 (20.4%) | 102 (23.6%) | ||
| No | 245 (36.2%) | 42 (17.1%) | 53 (21.6%) | ||
| RAI-A (frailty) | 0.97 | 0.07 | |||
| Robust (1–20) | 415 (61.3%) | 79 (19.0%) | 88 (21.2%) | ||
| Normal (21–29) | 183 (27.0%) | 35 (19.1%) | 41 (22.4%) | ||
| Frail (30–50) | 79 (11.7%) | 16 (20.3%) | 26 (32.9%) | ||
| Operative Variables | |||||
| Case Priority | 0.78 | 0.24 | |||
| Elective | 397 (58.6%) | 73 (18.4%) | 82 (20.7%) | ||
| Urgent | 215 (31.2%) | 43 (20.0%) | 55 (25.6%) | ||
| Emergency | 65 (9.6%) | 14 (21.5%) | 18 (27.7%) | ||
| Stoma | 0.003 | <0.001 | |||
| Yes | 289 (42.7 %) | 71 (24.6%)* | 99 (34.3%)+ | ||
| Postoperative Variables | |||||
| Clavien-Dindo IV Complications | <0.001 | <0.001 | |||
| Yes | 111 (16.4%) | 41 (36.9%) | 50 (45.0%) | ||
| No | 566 (83.6%) | 89 (15.7%) | 105 (18.6%) | ||
N, number of patients; % percent of patients readmitted within each variable category; SES, Socioeconomic Status; ADI, Area Deprivation Index; DCI, Distressed Communities Index; RAI-A, Risk Analysis Index; P values for testing association between readmission with each factor based on chi-square test
*
48 (67.6%) and
+
66 (66.7%) small bowel stomas.