Table 6.

Clinical events rates in metformin users 365 days before and after initiation of metformin

Clinical events	Premetformin, median (IQR)	Postmetformin, median (IQR)	P
Rate of all-cause inpatient encounters per year, n = 31	0 (0-1)	0 (0-0)	.68
Rate of inpatient encounters with SCD codes per year, n = 14	0 (0-0)	0 (0-0)	.61
Rate of all-cause ED encounters per year, n = 50	2.5 (1-5)	2 (1-5)	.73
Rate of ED encounters with SCD codes per year, n = 16	0 (0-0)	0 (0-0)	.71