Insulin resistance in obesity can be reliably identified from fasting plasma insulin.

Int J Obes (Lond). 2015;39:1703-9

Ter Horst KW, Gilijamse PW, Koopman KE, de Weijer BA, Brands M, Kootte RS, Romijn JA, Ackermans MT, Nieuwdorp M, Soeters MR, Serlie MJ