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. 2021 Sep 9;11(9):1184. doi: 10.3390/brainsci11091184

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© 2021 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Intelligence quotient (IQ) and educational level. Intelligence quotient of the IQ subgroups (VCI, PRI, WMI) of patients with SMA type 2 (unfilled circles) and 3 (filled circles) subdivided into achieved university entrance qualification (+) and unachieved university entrance qualification (−). The IQ of the PMI in SMA type 2 patients with university entrance qualification is significantly reduced (***) compared to SMAP type 3 patients with university entrance qualification. The IQ of the other comparison groups did not differ (n.s.).