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. 2005 Jan 24;2005(1):CD003816. doi: 10.1002/14651858.CD003816.pub2

Porta 1988.

Methods Trial design: 
 Parallel study 
 Randomisation procedure: 
 Data missing 
 Allocation concealment: 
 Unclear 
 Blinding: 
 Open
Participants Country: 
 Italy 
 Setting: 
 Multi centre 
 Number: 
 32/23 human/animal insulin 
 Type of diabetes: 
 Type 1 and 2 
 Mean age [years]: 
 37/34 human/animal insulin 
 Mean diabetes duration [years]: 
 12/10 human/animal insulin 
 Other characteristics:
Interventions Type of human insulin: 
 Semi‐synthetic 
 Type of animal insulin: 
 Purified porcine 
 Duration of trial [months]: 
 6
Outcomes 1.HbA1c [%]: 
 ‐ 
 2.HbA1 [%]: 
 ‐ 
 3.Fasting plasma glucose [mmol/L] 
 ‐ 
 4.Insulin dose [Units/day]: 
 ‐ 
 5.Insulin antibodies [%]: 
 ‐ 
 6.Adverse effects: 
 In toto 5 drop‐outs
Notes  
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment? Unclear risk B ‐ Unclear