Table 6 Association between pain intensity and COMT rs4680 polymorphism in the studies included in the systematic review
Study name [ref] | Variable | Genotype frequency (N, %) | Results (type of measure) | p-value |
|---|---|---|---|---|
EPOS study [20] (Barratt, 2015) | Brief Pain Inventory | G/G (109, 23.59) A/G (243, 52.60) A/A (110, 23.80) | Not reported | Â |
[23] Rakvåg, 2005 | Brief Pain Inventory after 24 h | G/G (44, 21.25) A/G (96, 46.38) A/A (67, 32.37) | 3.9 ± 2.2 3.7 ± 2.6 3.5 ± 2.3 (mean ± SD) | > 0.05 |
[28] Ross, 2008 | Brief Pain Inventory after 24 h | G/G (46, 20.81) A/G (119, 53.85) A/A (56, 25.34) | Not reported | 0.897 |