Table 3.
Comparison within group effects over time for the two injections
| Pain intensity | Water injection | Saline Water injection | ||||||
|---|---|---|---|---|---|---|---|---|
| Change Score Mean (SD) | % change ѣ | p | Change Score Mean (SD) | % change ѣ | p | |||
| Baseline | 9.35 ± 0.79 | 9.09 ± 0.93 | ||||||
| VAS 1 (15 min) | 7.20 ± 0.91 | 2.15 ± 1.04 | 24 | 0.001** | 7.11 ± 0.84 | 1.97 ± 0.93 | 22 | 0.005* |
| VAS 2 (30 min) | 6.43 ± 0.96 | 2.92 ± 1.10 | 32 | 0.001** | 6.53 ± 1.12 | 2.5 ± 1.07 | 28 | 0.001** |
| VAS 3 (45 min) | 5.84 ± 0.99 | 3.48 ± 1.18 | 37 | 0.001** | 6.20 ± 1.15 | 2.88 ± 1.4 | 32 | 0.001** |
| VAS 4 (90 min) | 5.76 ± 0.70 | 3.70 ± 1.03 | 38 | 0.001** | 6.37 ± 7.74 | 2.85 ± 1.8 | 31 | 0.001** |
| VAS 5 (120min) | 6.17 ± 1.02 | 3.73 ± 1.03 | 41 | 0.001** | 5. 60 ± 1.13 | 3.72 ± 1.75 | 40 | 0.001** |
€ Baseline of pain before subcutaneous sterile water injection.
*
p<0.005
**
p<0.001
ѣ
Difference/change from the baseline of pain score and after injection.
SD: Standard Deviation