Table 1.
Comparison of general information between two groups
| Group | Control group (n=32) | Observation group (n=31) | t/χ2 value | P value |
|---|---|---|---|---|
| Age (years) | 45.4±8.6 | 43.6±7.7 | 0.874 | 0.385 |
| Gender (n) | 0.790 | 0.374 | ||
| Male | 25 | 23 | ||
| Female | 7 | 8 | ||
| APACHE II scores | 14.1±1.9 | 13.9±1.7 | 0.440 | 0.662 |
| Types of disease | 0.858 | 0.836 | ||
| Craniocerebral injury (n) | 12 | 9 | ||
| Cerebral hemorrhage (n) | 9 | 10 | ||
| COPD (n) | 7 | 9 | ||
| Cardiac insufficiency (n) | 4 | 3 | ||
| Type of tubes | ||||
| Nasogastric tube | 17 | 15 | 0.141 | 0.707 |
| Urethral catheter | 20 | 25 | 2.540 | 0.111 |
| PICC | 8 | 5 | 0.757 | 0.385 |
| CVC | 27 | 29 | 1.342 | 0.247 |
| Trachea cannula | 9 | 11 | 0.394 | 0.531 |
Note: COPD: chronic obstructive pulmonary disease; PICC: Peripherally inserted central catheter; CVC: Central venous catheter.