Study	Reason for exclusion
21st Brazilian Diabetes Society Congressa	Congress report containing no studies of relevance
Bin‐Abbas 2006	Wrong study design: not a randomised clinical trial
Bolli 2016	Wrong study design: pooled data from four randomised clinical trials
Chacra 2010	Wrong intervention (applied basal insulin no longer available)
Hirsch 2012	Wrong study drug: compared insulin degludec/aspart combined with detemir + aspart (NCT00978627; NN5401‐3645; NN5401‐3645; Eudra: 2008‐005769‐71; U1111‐1111‐8943; 2009‐013412‐13; U1111‐1113‐2475)
HypoANA	Wrong study drug: applied different type of rapid‐acting insulin analogue in the intervention arms
Iga 2017	Short duration of the intervention
Kiess 2004	Wrong study design: letter
Manini 2007	Wrong study design: not a randomised clinical trial
NCT00788840	Wrong population: people with T2DM
NCT01854723	Wrong population: people with insulin resistance
Orchard 2014	Wrong intervention: different co‐intervention
Ota 2017	Trial combined outcomes of people with T1DM and T2DM. No separate data available for the 12 people with T1DM included in the trial
Perez‐Maraver 2013	Applied different type of rapid‐acting insulin analogue in the intervention arms
Polonsky 2014	Wrong study design: not a randomised clinical trial
Prikhodina 2007	Wrong study design: not a randomised clinical trial
Tentolouris 2018	Wrong study design: not a randomised clinical trial
UMIN000001562	Wrong study design: one intervention arm
UMIN000009965	Study protocol for a study with short duration
UMIN000013817	Study protocol for a study with short duration
Yamada 2014	Short duration of the intervention
Ziemen 2015	Wrong intervention: comparing insulin glargine in different concentrations

T1DM: type 1 diabetes mellitus
T2DM: type 2 diabetes mellitus