Research Article
Length of Hospital Stay Prediction at the Admission Stage for Cardiology Patients Using Artificial Neural Network
Table 1
Inpatient characteristics, occurrence, and the associated LOS data in this study.
| | Characteristics | | Quantity
() | Occurrence
(%) | LOS (days) | | | Mean | SD | Median |
| | Sex | Male | 1501 | 63 | 5.05 | 4.97 | 5 | | Female | 876 | 37 | 6.89 | 5.98 | 7 |
| | Age | Less than 65 | 1059 | 44 | 4.42 | 4.53 | 3 | | 65~74 | 493 | 21 | 5.32 | 5.01 | 4 | | 75~84 | 541 | 23 | 7.31 | 5.83 | 6 | | 85 and above | 284 | 12 | 8.30 | 6.69 | 6 |
| | Location | Tamshui branch | 803 | 34 | 6.21 | 5.39 | 5 | | Taipei branch | 1574 | 66 | 5.48 | 5.45 | 4 |
| | Main diagnosis | Coronary atherosclerosis (ICD414) | 933 | 39 | 2.63 | 2.25 | 2 | | Heart failure (ICD428) | 872 | 37 | 8.24 | 5.87 | 7 | | Acute myocardial infarction (ICD410) | 572 | 24 | 6.97 | 5.95 | 5 |
| | Comorbidity | Myocardial infarction (ICD410/412) | 134 | 6 | 3.99 | 4.08 | 2 | | Diabetes (ICD250) | 954 | 40 | 6.24 | 5.85 | 4 | | Cerebrovascular disease (ICD433/434/437/438) | 69 | 3 | 7.61 | 6.14 | 6 | | Cardiac dysrhythmias (ICD427) | 447 | 19 | 6.81 | 5.20 | 6 | | Heart failure (ICD428) | 394 | 17 | 6.27 | 6.20 | 4 | | Chronic airway obstruction (ICD496) | 63 | 3 | 5.00 | 4.21 | 4 | | Hypertensive disease (ICD401/402/403/404) | 1218 | 51 | 5.07 | 5.00 | 3 | | Coronary atherosclerosis (ICD414) | 909 | 38 | 5.39 | 4.45 | 4 |
| | Intervention | Percutaneous transluminal coronary angioplasty (PTCA) | 577 | 24 | 4.68 | 4.71 | 3 | | Percutaneous coronary intervention (PCI) | 281 | 12 | 4.48 | 4.61 | 3 | | Coronary angiography | 1382 | 58 | 3.86 | 3.78 | 2 | | Coronary stenting | 750 | 32 | 4.73 | 4.51 | 3 | | Cardiac catheterization | 1297 | 55 | 4.01 | 4.13 | 2 | | Left ventricular X-ray | 512 | 22 | 3.66 | 3.98 | 2 |
| | TW-DRG pay | Yes | 593 | 25 | 2.94 | 3.09 | 2 | | No | 1784 | 75 | 6.66 | 5.73 | 5 |
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