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Comparison of rehospitalization between the two groups
| Group | Number of samples | Hospitalized again | Rehospitalization 2 times | Rehospitalization rate |
|---|---|---|---|---|
| Control group | 41 | 12 (29.3) | 4 (9.8) | 16 (39.0) |
| Intervention group | 40 | 8 (20) | 0 (0) | 8 (10.3) |
| χ2 | 4.076 | |||
| P | 0.043 |
