Ahmad 1997

Methods	Country: India Setting/Design: University Time frame: NS Randomisation method: NS Blinding ‐ Participants: Yes ‐ Investigators: No ‐ Outcome assessors: No ‐ Data analysis: No Intention‐to‐treat: No Follow‐up period: 5 years Loss to follow‐up: 13
Participants	Inclusion criteria Age: 43‐55 years Known duration of diabetes < 15 years No history and clinical or laboratory evidence of non‐diabetic renal, systemic, cardiac or hepatic diseases BMI < 27 kg/m² Normal BP values on 2 consecutive examinations (SBP </= 140 mm Hg; DBP </= 90 mm Hg) GFR > 90 mL/min AER of 20‐200 µg/min on 2 consecutive visits without evidence of UTI Enalapril group 1 Number: NS Age: NS Sex(M/F): NS Enalapril group 2 Number: NS Age: NS Sex(M/F): NS Exclusion criteria: NS
Interventions	Enalapril group 1 10 mg/d Enalapril group 2 Moderate treatment Co‐interventions: No
Outcomes	AER GFR BP
Notes
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Unclear risk	B ‐ Unclear