Table 2.
Proportion of participants in each treatment group who experienced 25% pain decrease
| Mean differencea | No. | Proportion who met the criterion | Average change, %b |
|---|---|---|---|
| Guided imagery | |||
| Pain 2-Pain 1 | 51 | 0.235 | −26.6 |
| Pain 4-Pain 3 | 55 | 0.200 | −12.9 |
| Pain 6-Pain 5 | 63 | 0.222 | −25.3 |
| Pain 8-Pain 7 | 55 | 0.309 | −34.5 |
| Pain 8-Pain 1 | 50 | 0.620c | −31.1 |
| “M” Technique | |||
| Pain 2-Pain 1 | 59 | 0.542 | −53.0 |
| Pain 4-Pain 3 | 63 | 0.349 | −30.9 |
| Pain 6-Pain 5 | 64 | 0.313 | −36.1 |
| Pain 8-Pain 7 | 63 | 0.587 | −50.2 |
| Pain 8-Pain 1 | 58 | 0.724c | −50.3 |
| Usual care | |||
| Pain 2-Pain 1 | 52 | 0.019 | 2.2 |
| Pain 4-Pain 3 | 50 | 0.020 | 1.3 |
| Pain 6-Pain 5 | 64 | 0.078 | −4.1 |
| Pain 8-Pain 7 | 54 | 0.037 | −7.0 |
| Pain 8-Pain 1 | 53 | 0.679c | −20.1 |
a
Pain 2-Pain 1 surrounds preoperative Day 0, Pain 4-Pain 3 surrounds postoperative Day 0, etc.
b
Negative numbers indicate a decrease while positive numbers indicate an increase in pain.
c
There were no explicit expectations regarding the beginning and end of the study, but the corresponding proportion of patients had a percentage change larger than 25%.