Table 2.

Multiple linear regression model of independent associates of baseline serum bicarbonate in patients with type 2 diabetes

	Coefficient	P value
Male	0.97	<0.001
Ex-smoker	−0.35	0.038
Age at diagnosis (increase of 1 year)	0.02	0.007
Insulin therapy	0.87	0.001
Diuretic therapy	0.50	0.023
Total serum cholesterol (per 1 mmol/L increase)	0.22	0.006
Loge(serum triglycerides) (per increase of 1)a	−0.59	<0.001
Serum chloride (per 1 mmol/L increase)	−0.20	<0.001
Coronary heart disease	−0.39	0.045
Charlson comorbidity indexb
0 (reference)	0
1 or 2	−0.42	0.049
≥3	−1.06	0.006

^aA 2.72-fold increase in serum triglycerides corresponds to an increase of 1 in log_e(serum triglycerides)

^bIn the previous 5 years, excluding diabetes and its complications