near-significantp = 0.130
GTAA-ET), a near-significant difference was observed only in the anterolateral chest region (pain: p = 0.130, β = −0.100, 95% CI: −0.229 to 0.029; numbness: p = 0.051, β = −0.162, 95% CI: −0.326 to 0.001), with the GTSA-ET group exhibiting lower pain and numbness scores than the GTAA-ET group.