Table 2. Demographics and population characteristics of the intervention cohort stratified by readmission.
| Demographic factor | Intervention cohort | Not readmitted | Readmitted | p -Value a | |
|---|---|---|---|---|---|
| n (%) | 133 (100%) | 125 (94.0%) | 8 (6.0%) | ||
| Readmission, hyponatremia | 3 (2.3%) | 3 (37.5%) | |||
| Admission age, y (mean ± SD) | 54.6 ± 16.2 | 55.2 ± 14.7 | 44.7 ± 31.7 | 0.075 | |
| Sex (female) | 75 (56.4%) | 70 (56.0%) | 5 (62.5%) | 0.72 | |
| Race | White | 86 (64.7%) | 80 (64.0%) | 6 (75.0%) | 0.81 |
| Hispanic | 61 (45.9) | 58 (46.4%) | 3 (37.5%) | 0.624 | |
| BMI (mean ± SD) | 30.4 ± 6.6 | 30.5 ± 6.6 | 28.7 ± 6.1 | 0.44 | |
| Length of stay, d (mean ± SD) | 2.5 ± 1.4 | 2.5 ± 1.4 | 2.6 ± 0.7 | 0.79 | |
| Functioning adenoma | 39 (33.0%) | 36 (33.0%) | 3 (42.9%) | 0.594 | |
| Histology | Lactotroph | 17 (12.9%) | 16 (12.9%) | 1 (12.5%) | 0.86 |
| Somatotroph | 6 (4.5%) | 6 (4.8%) | 0 (0.0%) | ||
| Corticotroph | 19 (14.4%) | 18 (14.5%) | 1 (12.5%) | ||
| Gonadotroph | 59 (44.7%) | 56 (45.2%) | 3 (37.5%) | ||
| Multiple | 31 (23.5%) | 28 (22.6%) | 3 (37.5%) | ||
| Intraoperative CSF leak | Any leak | 78 (58.6%) | 73 (58.4%) | 5 (62.5%) | 0.82 |
| Low-flow leak | 46 (34.6%) | 45 (61.6%) | 1 (20%) | 0.067 | |
| High-flow leak | 32 (24.1%) | 28 (38.4%) | 4 (75%) | ||
| Nasal septal flap | 19 (15.2%) | 17 (14.5%) | 2 (25.0%) | 0.42 | |
| Tumor volume, mm 3 (mean ± SD) | 12,656.2 ± 17,869.0 | 12,569.2 ± 17,821.2 | 14,048.7 ± 20,041.6 | 0.83 | |
| Endocrine, inpatient | 127 (96.2%) | 120 (96.8%) | 7 (87.5%) | 0.18 | |
| Endocrine, outpatient | 102 (77.3%) | 96 (77.4%) | 6 (75.0%) | 0.87 | |
| Type of outpatient endocrine | University of Miami | 83 (80.6%) | 78 (80%) | 5 (83%) | 0.86 |
| Private | 20 (19.4%) | 19 (20%) | 1 (17%) | ||
| Serum sodium checked | 81 (62.3%) | 75 (60.0% | 6 (75%) | 0.217 | |
| Serum sodium, mmol/L (mean ± SD) | 139.0 ± 4.1 | 139.4 ± 3.6 | 135.0 ± 6.7 | 0.004 | |
| Hyponatremia | Any | 11 (14%) | 10 (13.3%) | 1 (16.7%) | 0.040 |
| Mild | 9 (11.1%) | 9 (12%) | 0 (0%) | ||
| Moderate | 2 (2.5%) | 1 (1.3%) | 1 (16.7%) | <0.001 | |
| Postoperative diabetes insipidus | 53 (40.2%) | 47 (37.9%) | 6 (75.0%) | 0.038 | |
Abbreviations: BMI, body mass index; CSF, cerebrospinal fluid; SD, standard deviation.
Note: Values presented as number (%) unless otherwise indicated. Bold indicates statistically significant p -Values.
a
Reflects two-tailed t -test for continuous variables or a Pearson's chi-square/Fisher's exact test to compare categorical data between the groups.