Study ID	Length of ICU stay (mean days (SD))	Length of hospital stay (mean days (SD))
Duncan 2018	I: 2.7 (3.9)* C: 2.6 (4.1)*	—
Wallia 2017	—	I: 16.7 (25.3)* C: 9.3 (10.8)*
Wahby 2016	—	—
Parekh 2016	—	I: 4.1 (1.9) C: 5 (2.4)
Yuan 2015	—	—
Umpierrez 2015	I: 4 (5.4)* C: 5.1 (13)*	I: 10.3 (6.6)* C: 11.1 (11.8)*
Abdelmalak 2013	—	—
Hermayer 2012	—	—
Desai 2012	I: 1.2 (1.0)* C: 2.4 (5.1)*	I: 4.52 (1.79)* C: 4.68 (1.75)*
Lazar 2011	I: 2.9 (0.7) C: 2.7 (0.5)	I: 10.1 (3.5) C: 10.8 (3.5)
Cao 2010	—	I: 8 (4.3) C: 10 (4.3)
Glucontrol 2009	I: 9.5 (11.2)* C: 7.4 (11.5)*	I: 23.3 (17.8)* C: 19.6 (19.1)*
NICE SUGAR 2009	I: 5 (5.9)* C: 5 (5.2)*	I: 16 (—)* C: 15 (—)*
Subramaniam 2009	—	I: 7.8 (5.0)* C: 7.4 (4.3)*
Chan 2009	I: 2.8 (1.5)* C: 4.5 (4.4)*	I: 9 (3)* C: 17 (18)*
De La Rosa 2008	I: 7.2 (5.9)a C: 6.5 (5.0)a	—
Gandhi 2007	I: 2 (2) days C: 2 (2) days	I: 8 (6) days C: 8 (3) days
Li 2006	I: 5.7 (—) C: 6.3 (—)	—
Lazar 2004	I: 0.7 (0.3) C: 1.37 (0.9)	I: 6.5 (0.1) C: 9.2 (0.3)
Rassias 1999	—	—
—: denotes not reported *Data provided by study authors (patients with diabetes). aData from total study population. EGEstimated from graph or table showing longitudinal changes in glucose when the value was not available. EAEstimated from algorithm. C: control group; I: intensive intervention group