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Complications of the groups
| Group | Cross infection | Anemia | Pressure sore | Hemoptysis | Total |
|---|---|---|---|---|---|
| Control group (n=41) | 1 (2.44) | 3 (7.32) | 4 (9.76) | 3 (7.32) | 11 (26.84) |
| Research group (n=44) | 0 (0.00) | 1 (2.27) | 1 (2.27) | 0 (0.00) | 2 (4.54) |
| t/χ2 | 8.135 | ||||
| P-value | 0.004 |
