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Frequency of each VAS score amongst the three groups
| VAS score | ||||||
|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | Total | |
| Ibuprofen | 14 (70.0%) | 4 (20.0%) | 1 (5.0%) | 1 (5.0%0 | 0 (0%) | 20 (100%) |
| Acetaminophen | 13 (68.4%) | 1 (5.3%) | 3 (15.8%) | 1 (5.3%) | 1 (5.3%) | 19 (100%) |
| Placebo | 2 (9.5%) | 6 (28.6%) | 9 (42.9%) | 0 (0%) | 4 (19.0%) | 21 (100%) |
| Total | 29 (48.3%) | 11 (18.3%) | 13 (21.7%) | 2 (3.3%) | 5 (8.3%) | 60 (100%) |
