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Inter-group comparison of the incidence of adverse events, n (%)
|
Indicators
|
Research group (n = 86)
|
Control group (n = 77)
|
χ
2
|
P value
|
| Respiratory tract obstruction | 1 (1.16) | 4 (5.19) | - | - |
| Catheter detachment | 2 (2.33) | 4 (5.19) | - | - |
| Aspiration | 1 (1.16) | 5 (6.49) | - | - |
| Asphyxia | 0 (0.00) | 2 (2.60) | - | - |
| Total | 4 (4.65) | 15 (19.48) | 8.676 | 0.003 |
The χ2 test was used for the inter-group comparison of categorical data.
