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Adverse events, length and costs of hospitalization in the two groups (x̅ ± sd)
| Item | Test group (n=30) | Control group (n=30) | χ2 or t | P |
|---|---|---|---|---|
| Adverse events (n (%)) | ||||
| Pulmonary aspiration | 0 (0.00) | 5 (16.67) | ||
| Aspiration pneumonia | 2 (6.67) | 8 (26.67) | ||
| Total | 2 (6.67) | 13 (43.33) | 10.756 | 0.001 |
| Length of hospitalization (d) | 25.7±4.9 | 38.9±8.0 | 7.673 | <0.001 |
| Costs of hospitalization (*10,000 RMB) | 2.85±0.16 | 4.08±0.32 | 18.831 | <0.001 |
