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. 2016 Sep 18;2016(9):CD006992. doi: 10.1002/14651858.CD006992.pub2
  Intervention(s) and comparator(s) Participants included
 in analysis
 (N) Participants
 discontinuing
 study due to
 adverse events
 (N) Participants
 discontinuing
 study due to
 adverse event
 (%) Participants
 hospitalised
 (N) Participants
 hospitalised
 (%) Participants with
 outpatient treatment
 (N) Participants with
 outpatient treatment
 (%)
Avilés 1999 I: metformin 21 0 0 0 0
C: placebo 22 0 0 0 0
Barnett 2013 I: saxagliptin 95 3 3.2
C: placebo 46 1 2.2
Casner 1988 I: glibenclamide 31 0 0 0
C: placebo 33 0 0 0
Chiasson 1994 I: acarbose 35 11 27
C: placebo 44 12 23
Coniff 1995 I: acarbose 103 9 9
C: placebo 104 4 4
Feinglos 1998 I: glipizide 0 0  
C: placebo 0 0      
all: 29 0 0
Fonseca 2007 I: vildagliptin 114 6.3
C: placebo 124 0.7
Fritsche 2000 I: metformin 0
C: placebo 0
all: 13 0
Giugliano 1993 I: metformin 27 0 0
C: placebo 23 0 0
Groop 1985 I: glibenclamide
C: placebo
Hermann 2001 I: metformin 16 4
C: placebo 19 1
Hirsch 1999 I: metformin 25 3 12
C: placebo 25 0 0
Hong 2012 I: sitagliptin 61 0 0
C: insulin increase 63 0 0
Kitabchi 1987 I: tolazamide 0 0
C: NPH alone 0 0
all: 12 0 0
Krawczyk 2005 I: metformin 20
C: insulin alone 20
Kyllastinen 1985 I: glibenclamide 0 0
C: placebo 0 0
all: 9 0 0
Lewitt 1989 I: glibenclamide 0 0
C: placebo 0 0
all: 31 0 0
Lindström 1999 I: glibenclamide 0 0
C: placebo 0 0
all: 15 0 0
Longnecker 1986 I: tolazamide 0 0
C: placebo 0 0
all: 11 0 0
Mattoo 2005 I: pioglitazone 128 7 4.9
C: placebo 135 3 2
Mauerhoff 1986 I: glibenclamide 11 0 0
C: placebo 11 0 0
Mezitis 1992 I: glibenclamide 10
C: placebo 10
Mudaliar 2010 I: pioglitazone 12 0 0
C: placebo 13 0 0
Nemoto 2011 I: miglitol 107 7 6.5
C: placebo 100 3 3
Osei 1984 I: glibenclamide 6 4 40
C: placebo 11 1 8.3
Quartraro 1986 I: gliclazide 15 0 0
C: insulin alone 15 0 0
Reich 1987 I: glibenclamide 10 0 0
C: placebo 10 0 0
Relimpio 1998 I: metformin 24 0 0
C: insulin dose increase 23 0 0
Robinson 1998 I: metformin
C: placebo
all: 19 1 5
Rosenstock 2002 I1: pioglitazone 15 mg 191 2.6
I2: pioglitazone 30 mg 188 3.2
C: placebo 187 1.6
Schade 1987 I: glibenclamide 16 0 0
C: placebo 16 0 0
Schiel 2007 I1: glimepiride 17 0 0
I2: glimepiride + metformin 18 2 11.1
C: insulin 17 0 0
Simpson 1990 I: glipizide 9 0 0
C: placebo 10 0 0
Stenman 1988 I: glibenclamide 15 0 0
C: placebo 15 0 0
Strowig 2002 I1: metformin 27 2 6.7
I2: troglitazone 30 0 0
C: insulin 31 0 0
Wulffelé 2002 I: metformin 171 20 10.2
C: placebo 182 6 3.1  
Yilmaz 2007 I1: acarbose 15 0 0
I2: metformin 17 0 0
I3: rosiglitazone 15 0 0
C: insulin alone 19 0 0
‐ denotes not reported
C: comparator; I: intervention; NPH: Neutral Protamine Hagedorn