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| RME | Non RME | Total | Difference chi-square (χ2) | p | |
|---|---|---|---|---|---|
| DA group | 144 (58.5%) | 102 (41.5%) | 246 (100%) | 3.02 | 0.082 |
| NDA group | 219 (52.3%) | 208 (48.7%) | 427 (100%) |
