Table 2.
Characteristics of Index Admissions and Readmissions.a
| Primary Admission Diagnosis | Number of Index Admissions | Number of Readmissions (Readmission Rate) | Planned Readmission (Proportion) |
|---|---|---|---|
| Neurological | |||
| Seizure | 1203 | 34 (2.8%) | 3 (8.8%) |
| Intracranial hemorrhagic and ischemic stroke | 1043 | 57 (5.5%) | 4 (7.0%) |
| Headache | 342 | 11 (3.2%) | 0 (0.0%) |
| Miscellaneous disorder of the nervous system including movement disorder, sleep disorder, myopathy, and myelopathy | 328 | 34 (10.4%) | 13 (38.2%) |
| Ataxia and demyelinating disease | 323 | 33 (10.2%) | 10 (30.3%) |
| Neurodegenerative disorder | 182 | 9 (4.9%) | 2 (22.2%) |
| Intravascular procedure | 161 | 11 (6.8%) | 3 (27.3%) |
| Nontraumatic coma | 128 | 7 (5.5%) | 0 (0.0%) |
| Transient ischemic attack | 123 | 6 (4.9%) | 1 (16.7%) |
| Other nonbacterial nervous system infection | 106 | 8 (7.5%) | 0 (0.0%) |
| Peripheral nerve disorder | 98 | 16 (16.3%) | 1 (6.3%) |
| Bacterial infection of nervous system | 65 | 9 (13.8%) | 1 (11.1%) |
| Nervous system malignancy | 63 | 12 (19.0%) | 4 (33.3%) |
| Spinal cord disorder | 43 | 3 (7.0%) | 1 (33.3%) |
| Viral meningitis | 36 | 3 (8.3%) | 0 (0.0%) |
| Traumatic brain injury | 27 | 2 (7.4%) | 0 (0.0%) |
| Total neurological | 4271 | 255 (6.0%) | 43 (16.9%) |
| Nonneurological | |||
| Psychiatric or mood disorder | 179 | 6 (3.4%) | 0 (0.0%) |
| Neurosurgical procedure | 153 | 15 (9.8%) | 0 (0.0%) |
| Orthopedic, plastic surgical, and skin disorders and procedures | 149 | 12 (8.1%) | 3 (25.0%) |
| Other | 148 | 17 (11.5%) | 4 (23.5%) |
| Disorders and procedures of eyes | 122 | 7 (5.7%) | 0 (0.0%) |
| Disorder or procedure of pulmonary system | 121 | 8 (6.6%) | 0 (0.0%) |
| Infectious disease, nonneurological | 89 | 9 (10.1%) | 2 (22.2%) |
| Disorder or procedure of cardiovascular system | 83 | 6 (7.2%) | 1 (16.7%) |
| Disorder of renal system including electrolyte imbalance | 37 | 5 (13.5%) | 0 (0.0%) |
| Endocrine diagnoses and procedures | 34 | 0 (0.0%) | - |
| Cancer, not of nervous system | 29 | 9 (31.0%) | 1 (11.1%) |
| Disorder of liver and gastrointestinal tract | 24 | 3 (12.5%) | 1 (33.3%) |
| Disorder or procedure of face, ears, nose, neck, or throat | 8 | 1 (12.5%) | 0 (0.0%) |
| Hematologic/immunologic | 5 | 0 (0.0%) | - |
| Burns and trauma | 3 | 0 (0.0%) | - |
| Total nonneurological | 1184 | 98 (8.3%) | 12 (12.2%) |
| Total | 5455 | 353 (6.5%) | 55 (15.6%) |
aOnly 8 (14.5%) of 55 considered planned using Centers for Medicare and Medicaid Services (CMS) methodology. Of note, no patients in this period were admitted or readmitted with diagnosis codes for the neurological categories “arterial stenosis” and “nonhypertensive encephalopathies.”