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. 2018 Feb 13;9:26. doi: 10.3389/fpsyt.2018.00026

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Copyright © 2018 García-Marchena, Ladrón de Guevara-Miranda, Pedraz, Araos, Rubio, Ruiz, Pavón, Serrano, Castilla-Ortega, Santín and Rodríguez de Fonseca.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Scores of different impulsivity subscales according to latent classes (LC). LC3 patients showed a greater level of impulsivity than other classes (A); There were no differences between LCs in lack of premeditation (B); LC3 patients showed a greater level of sensation seeking than other classes (C); LC3 patients showed a greater level of lack of perseverance than other classes (D); LC2 patients showed a lower negative urgency in comparison to other classes (E); LC3 patients showed a greater level of positive urgency than other classes (F). Data are expressed as the mean ± SEM. Post hoc Newman–Keuls comparisons: difference vs. the other three groups: *p ≤ 0.05; **p ≤ 0.01; difference vs. LC1: ^#p ≤ 0.01; difference vs. LC3 and LC4: ^$p ≤ 0.05.