Effect of sitagliptin on blood glucose control in patients with type 2 diabetes mellitus who are treatment naive or poorly responsive to existing antidiabetic drugs: the JAMP study

Table 3 Single and multiple regression analyses of baseline HbA1c and ∆HbA1c levels (at 3 months) using the deviation from the approximate linear correlation coefficient as the dependent variable

	Single regression analysis				Multiple regression analysis
Independent variable	Regression coefficient	Lower	Upper	P-value	Partial regression coefficient	Lower	Upper	P-value
Independent variable	Regression coefficient	Limit	Limit	P-value	Partial regression coefficient	Limit	Limit	P-value
Age	0.006	0.002	0.011	0.008^‡	0.004	−0.001	0.009	0.149
Sex (male)	−0.022	−0.140	0.096	0.715
Smoking habit	0.015	−0.121	0.151	0.83
Drinking habit	−0.037	−0.152	0.078	0.523
Duration of diabetes mellitus	−0.004	−0.012	0.005	0.377
Body mass index	−0.015	−0.028	−0.001	0.029^‡	−0.009	−0.023	0.005	0.207
Mean blood pressure	−0.008	−0.013	−0.002	0.005^‡	−0.004	−0.008	0.001	0.095
Diet/exercise group	0.097	−0.027	0.22	0.126
Low-dose glimepiride group	0.054	−0.124	0.232	0.555
Medium-dose glimepiride group	−0.264	−0.472	−0.056	0.013^‡	−0.249	−0.452	−0.045	0.017^§
Biguanide group	−0.073	−0.228	0.081	0.351
Thiazolidine group	0.082	−0.159	0.323	0.504
αGI group	0.028	−0.308	0.364	0.871
Multi-drug coadministration group	−0.008	−0.131	0.115	0.9

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