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Comparison of hospital stay length and hospitalization costs between the two groups after matching ().
| Group | n | Hospital Stay (days) | Total Hospitalization Costs (ten thousand Yuan) |
|---|---|---|---|
| Control Group | 65 | 16.5 ± 5.0 | 4.48 ± 1.20 |
| Observation Group | 65 | 12.8 ± 4.1 | 4.82 ± 1.32 |
| t-value | 4.567 | 1.512 | |
| P-value | <0.001 | 0.133 |
