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. 2008 Jul 16;2008(3):CD006297. doi: 10.1002/14651858.CD006297.pub2
Characteristic Ashwell 2006 De Leeuw 2005 Francis 1986 Fulcher 2005 Hermansen 2001 Hermansen 2004 Home 2004 Home 2005 Kolendorf 2006
Intervention 1 (I1) / intervention 2 (I2) / control 1 (C1) I1: Glargine + Lispro 
 C1: NPH + HI I1: Determir + Aspart 
 C1: NPH + Aspart I1: Ultralente + Porcine Insulin 
 C1: NPH + Porcine Insulin I1: Glargine + Lispro 
 C1: NPH + Lispro I1: Determir + HI 
 C1: NPH + HI I1: Determir + Aspart 
 C1: NPH + HI I1: Determir (Q12hr) + Aspart 
 I2: Determir (breakfast+bedtime) + Aspart 
 C1: NPH + Aspart I1: Glargine + Hi 
 C1: NPH + HI I1: Determir + Aspart 
 C1: NPH + Aspart
Randomised controlled clinical trial (RCT) Y Y Y Y Y Y Y Y Y
Non‐inferiority / equivalence trial Y Y Y Y Y Y Y Y Y
Controlled clinical trial Y Y Y Y Y Y Y Y Y
Design: parallel, crossover, factorial RCT Crossover Parallel Crossover Parallel Crossover Parallel Parallel Parallel Crossover
Crossover study: wash‐out phase N   N   N       N
Crossover study: carryover effect tested N   N   N       N
Method of randomisation Central computer ? ? ? ? ? Remote telephone Central telephone ?
Unit of randomisation (individuals, cluster ‐ specify) Individual Individual Individual Individual Clusters of 4 Individual Individual Individual Individual
Randomisation stratified for centres N N N N N N N N N
Randomisation ratio 1:1 2:1 1:1 1:1 1:1 1:1 1:1:1 1:1 1:1
Concealment of allocation Y ? ? ? ? ? ? ? ?
Stated blinding (open; single, double, triple blind) Open Open Open Single blinding Open Open Open Open Open
Actual blinding: participant N N N N N N N N N
Actual blinding: caregiver / treatment administrator N N N Y N N N N N
Actual blinding: outcome assessor ? ? ? ? Y ? ? ? ?
Actual blinding: others ? ? ? ? ? ? ? ? ?
Blinding checked: participant NA NA NA NA NA NA NA NA NA
Blinding checked: caregiver / treatment administrator NA NA NA ? NA NA NA NA NA
Primary endpoint defined Y N N Y Y Y N Y Y
[n] of primary endpoint(s) 1 ? ? 1 1 1 ? 1 1
[n] of secondary endpoints 5 ? ? 7 6 4 ? 4 3
Total [n] of endpoints 6 5 14 8 7 5 6 5 4
Prior publication of study design N N N N N N N N N
Outcomes of prior / current publication identical NA NA NA NA NA NA NA NA NA
Power calculation Y Y N Y Y Y Y Y Y
[n] participants per group calculated 54 ? NA 48 49 281 per group 366 total ? 132
Non‐inferiority trial: interval for equivalence specified Y Y N Y Y Y Y ? Y
Intention‐to‐treat analysis (ITT) Y Y ? Y ? Y Y ? ?
ITT defined Y Y N Y N Y Y N N
Analysis stratified for centres N N N N N N N N N
Missing data: last‐observation‐carried‐forward (LOCF) ? ? ? ? ? ? N ? ?
Missing data: other methods ? ? ? ? ? ? ? ? ?
LOCF defined ? ? ? ? ? ? N ? ?
[n] of screened participants (I1/ I2 / C1 / total) 71 ? ? ? ? ? 441 total 655 total 207 total
[n] treated with at least one dose (I1/I2/C1/Total) 56/56/56 217/99/316 6/6/6 62/63/125 59/59/59 298/297/595 137/139/132/408 292/293/585 127/130/130
[n] of participants finishing the study 51/51/51 212/96/308 6/6/6 58/49/107 56/56/56 289/286/575 135/132/124/391 276/272/548 124
[n] of patients analysed 54/54/54 217/99/316 6/6/6 62/63/125 56/56/56 298/297/595 137/139/132/408 292/293/585 125/127
Description of discontinuing participants Y Y NA Y Y Y Y Y Y
Drop‐outs (reasons explained) Y Y NA Y Y Y Y Y Y
Withdrawals (reasons explained) Y Y NA Y Y Y Y Y Y
Losses‐to‐follow‐up (reasons explained) Y Y NA Y Y Y Y Y Y
[n] of participants who discontinued 3/3/3 5/3/8 0/0/0 4/14/18 3 total 9/14/23 4/5/8/17 16/21/37 1/6/7
[%] discontinuation rate 5.5% 3%/3% 0% 6.4%/22.2%/14.4% 5% total 3%/5% 3%/4%/7%/ 9% total 5.3% total
Discontinuation rate similar between groups Y Y Y N Y Y Y Y Y
[%] crossover between groups ? ? ? ? ? ? ? ? ?
[n] of subgroups 0 0 0 0 0 0 0 2 0
Subgroups: pre‐defined 0 0 0 0 0 0 0 ? 0
Subgroups: post‐hoc 0 0 0 0 0 0 0 ? 0
Adjustment for multiple outcomes / repeated measurements NA NA NA NA NA NA NA NA NA
Timing of outcomes' measurement comparable between groups Y Y Y Y Y Y Y Y Y
Compliance measured N N N N N N N N N
Other important covariates measured (specify) N N N N N N N N N
Co‐morbidities measured N N N N N N N N N
Co‐medications measured N N N N N N N N N
Specific doubts about study quality N N Y (very small study) N Y (no ITT) N N N N
Funding: commercial Y Y N Y Y Y Y Y Y
Funding: non‐commercial N N Y (novo laboratiries and British Diabetes Association) N N N N N N
Publication status: peer review journal Y Y Y Y Y Y Y Y Y
Publication status: journal supplement N N N N N N N N N
Publication status: abstract N N N N N N N N N
Publication status: other N N N N N N N N N
Single/multi‐center Multi (5) Multi (42) Single Multi (7) Multi (7) Multi (64) Multi (52) Multi (63) Multi (11)
Countries ? Europe UK Australia ? Europe Europe+Australia Europe Europe+Australia+South Africa
Diagnostic criteria for DM1 defined N N N N N N N N N
Diagnostic criteria adequate NA NA NA NA NA NA NA NA NA
Langauge of publication English English English English English English English English English