TABLE 1.
Patients With and Without 30-Day Readmissions—All Surgeries
| Characteristic | 30-day readmission category | P value | |
|---|---|---|---|
| Yes, n = 63 | No, n = 355 | ||
| Demographics | |||
| Age in years at surgery, mean ± SD | 56.2 ± 12.8 | 60 ± 12.9 | .0090 |
| Male | 48 (76) | 306 (86) | .1141 |
| Race | .3589 | ||
| White/Caucasian | 50 (79) | 290 (82) | |
| African American | 5 (8) | 26 (7) | |
| Asian or other | 8 (13) | 39 (11) | |
| Total resections | .1332 | ||
| 1 | 39 (62) | 263 (74) | |
| 2 | 23 (37) | 69 (19) | |
| 3 | 1 (1) | 16 (5) | |
| ≥4 | 0 | 7 (2) | |
| (+) MGMT methylation | 8 (13) | 64 (18) | .3943 |
| IDH1 mutation | 2 (3) | 26 (7) | .3271 |
| Case characteristics | n = 69 | n = 506 | |
| Surgery order | .6163 | ||
| 1st | 48 (70) | 371 (73) | |
| 2nd | 18 (26) | 95 (19) | |
| 3rd | 3 (4) | 28 (6) | |
| ≥4th | 0 (0) | 12 (2) | |
| Admitted through ED | 6 (9) | 67 (13) | .3404 |
| KPS score, mean ± SD | 66.9 ± 16.4 | 74.2 ± 16.1 | .0050 |
| mFI-5, mean ± SD | 0.77 ± 0.92 | 0.57 ± 0.78 | .0926 |
| Cognitive deficit at presentation | 22 (32) | 104 (21) | .0036 |
| Motor deficit at presentation | 29 (42) | 155 (31) | .0058 |
| Seizure at presentation | 22 (32) | 122 (24) | .1650 |
| Headache at presentation | 19 (28) | 157 (31) | .5483 |
| Op characteristics | |||
| GTR at surgery | 18 (26) | 178 (35) | .2587 |
| Received carmustine wafers | 8 (12) | 52 (10) | .7192 |
| Postoperative characteristics | |||
| LOS, mean ± SD | 6.1 ± 5.8 | 5.3 ± 6.7 | .0074 |
| Intracranial hematoma | 2 (3) | 5 (0.9) | .1941 |
| DVT/PE | 8 (12) | 20 (4) | .0058 |
| Seizure | 6 (9) | 23 (5) | .1407 |
| New motor deficit | 20 (29) | 71 (14) | .0015 |
| Palliative care consultation | 4 (6) | 24 (5) | .6588 |
| Nonhome disposition | 27 (39) | 114 (22) | .0051 |
DVT/PE, deep vein thrombosis/pulmonary embolism; ED, emergency department; GTR, gross total resection; IDH1, isocitrate-dehydrogenase-1; KPS, Karnofsky Performance Scale; LOS, length of stay; mFI-5, 5-factor modified frailty index.
Unless otherwise indicated, values are expressed as the number (%). Boldface type indicates statistical significance.