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Table 2 General features of the studies which were included

From: Adverse drug effects observed with vildagliptin versus pioglitazone or rosiglitazone in the treatment of patients with type 2 diabetes mellitus: a systematic review and meta-analysis of randomized controlled trials

Studies Type of study No of patients treated with vildagliptin (n) No of patients treated by pioglitazone or rosiglitazone (n) Drug used in experimental/control groups
Bolli2008 [7] RCT 295 280 Pioglitazone/vildagliptin
Garber2006 [8] RCT 304 158 Pioglitazone/vildagliptin
Kim2010 [9] RCT 35 36 Pioglitazone/vildagliptin
Rosenstock2007 [10] RCT 459 238 Rosiglitazone/vildagliptin
Rosenstock2009 [11] RCT 393 198 Rosiglitazone/vildagliptin
Total no of patients (n)   1486 910  
  1. Abbreviations: RCT randomized controlled trials