Table 1. Pooled Effects of Addition of Sulphonylurea to Insulin Versus Insulin Monotherapy^a.

Outcome	Insulin Monotherapy	Insulin-Sulphonylure
Mean difference in HbA1c, %	-	-1 (95% CI: -1.6 to -0.5)
Mild hypoglycemic episodes per participant	2.0 to 2.6	2.2 to 6.1
Additional weight gain, kg	-	0.4 to 1.9

Abbreviations: CI: confidence interval; HbA1c, glycosylated hemoglobin.

^aData derived from reference 6.