 - To compare over the treatment period, the overall incidence and rate of symptomatic hypoglycemia and symptomatic nocturnal hypoglycemia with PG 70 mgdL 3.9 mmolL, of symptomatic day-time hypoglycemia with PG 70 mgdL and with PG 56 mgdL, of severe hypoglycemia, of asymptomatic hypoglycemia with PG 56 mgdL 