Table 2.

HbA1c values in patients prescribed 2250 mg/day of metformin for 12 weeks or longer continuously

HbA1c (%)	Monotherapy (n = 17)	SU concomitant (n = 15)	Total (n = 32)
At baseline	8.55 ± 1.08	8.35 ± 1.39	8.46 ± 1.22
At just before increase to 2250 mg/daya	7.26 ± 0.67	7.42 ± 1.01	7.34 ± 0.84
At last visit dosed 2250 mg/day	6.51 ± 0.67	6.74 ± 0.98	6.62 ± 0.82
Change from at just before increase to 2250 mg/day	−0.76 ± 0.62	−0.68 ± 0.46	−0.72 ± 0.54
95% CI	(−1.08, −0.44)	(−0.93, −0.43)	(−0.92, −0.53)

Data are mean ± standard deviation or (lower limit, upper limit)

^aAll the patients were dosed at 1500 mg/day of metformin at this time