Comparison of the topics identified by LabEL with existing manually assigned categories
| LDA topics | Matched manually defined category | |
| More detailed topics | Communication issues causing delays | Wait time |
| Interactions with nurses | Communication style | |
| Physician communication style | ||
| Surgical issues | Practice standards | |
| Emergency medical services | ||
| Issue with intubation | ||
| MRI | ||
| Boots and splints | ||
| Injury and wound care | Care plan | |
| Medication and mental health | ||
| Emergency department care | ||
| Skin care | ||
| Lost items | Personal property | |
| Lost jewellery | ||
| Smoking and children care | Maintenance/upkeep | |
| Parking and accessibility | Parking | |
| Old topics | Policies, procedures or practice standards | Governance/policies and procedures |
| In-hospital hospitality | Maintenance/upkeep | |
| Billing accuracy and affordability | Billing | |
| Accommodation-related billing | Preferred accommodation | |
| Dietary concerns | Food | |
| New topics | Errors in forwarding of documents | |
| Test result | ||
| Pain management medication | ||
| Long-term care placement and abuse | ||
| File closed | ||
| Community care and treatment and nursing issues for elderly people | ||
| Mixture of two topics: Left message and urinary catheterisation |
LabEL, label-enhanced LDA; LDA, latent Dirichlet allocation.