I will discuss how entanglement entropy is unable to discriminate confining theories (meaning, with a linear quark antiquark potential) from non-confining ones with a mass gap. For that, I will focus on a family of three-dimensional, strongly coupled Yang-Mills-Chern-Simons field theories and study them by means of their dual supergravity descriptions. I will also consider the effect of the presence of a CFT in the vicinity of the RG flow of a theory on entanglement entropy measures.

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