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两组患者禁食水时间及干渴感、饥饿感VAS比较
Comparison of fasting time and thirst VAS and starvation VAS in two groups
| Items | Intervention group (n=40) | Control group (n=40) | Statistical value | P |
| VAS, visual analogue scale. | ||||
| Fasting for clear liquids/h, x±s | 3.1±1.3 | 12.2±1.9 | t=25.553 | < 0.001 |
| Fasting for solids/h, x±s | 14.8±3.6 | 14.7±2.5 | t=－0.127 | 0.900 |
| Thirst VAS, M (min，max) | 2 (2, 2) | 5 (3, 5) | Z=－7.350 | < 0.001 |
| Starvation VAS, M (min，max) | 1 (0, 2) | 3 (3, 3) | Z=－6.920 | < 0.001 |
