Table 3 Comparison of vomiting frequency and nausea degree in delayed phase between two groups
Variables | Intentional analysis | Per-protocol analysis | ||||||
|---|---|---|---|---|---|---|---|---|
The intervention group(n = 45) | The control group(n = 45) | Z | P | The intervention group(n = 41) | The control group(n = 41) | Z | P | |
Vomiting frequency (before intervention) | 5.0(4.0,5.0) | 5.0(2.0,5.5) | -0.391 | 0.695 | 5.0(4.0,5.0) | 5.0(2.0,5.5) | -0.798 | 0.425 |
Vomiting frequency (after intervention) | 3.0(2.0,3.0) | 4.0(2.0,5.0) | -3.259 | 0.001 | 3.0(1.5,3.5) | 4.0(2.0,5.0) | -2.712 | 0.007 |
Nausea degree (before intervention) | 4.0(4.0,5.0) | 5.0(2.0,6.0) | -0.723 | 0.470 | 4.0(3.5,5.0) | 5.0(2.0,6.0) | -0.559 | 0.576 |
Nausea degree (after intervention) | 3.0(2.0,4.0) | 5.0(2.0,5.5) | -1.989 | 0.047 | 3.0(2.0,4.0) | 4.0(1.5,5.0) | -2.313 | 0.021 |