PMC full text:
Published online 2010 Nov 12. doi: 10.1186/1743-7075-7-83
Table 2
HbA1c reduction determinants by correlation coefficient
| 1 year | 2 years | 3 years | ||||
|---|---|---|---|---|---|---|
| r | P | r | P | r | P | |
| Sex | 0.06 | 0.42 | -0.07 | 0.42 | -0.15 | 0.14 |
| Age | 0.11 | 0.60 | -0.02 | 0.79 | 0.14 | 0.16 |
| Duration of diabetes | 0.24 | <0.01 | 0.16 | 0.10 | 0.15 | 0.21 |
| Body mass index | -0.04 | 0.54 | -0.04 | 0.61 | -0.10 | 0.34 |
| HbA1c at baseline | -0.81 | <0.01 | -0.73 | <0.01 | -0.82 | <0.01 |
| Hypertension | -0.09 | 0.19 | -0.01 | 0.93 | -0.01 | 0.91 |
| Hyperlipidaemia | -0.02 | 0.75 | -0.04 | 0.65 | 0.23 | 0.47 |
| Estimated GFR | 0.03 | 0.69 | 0.04 | 0.63 | 0.04 | 0.67 |
| Therapeutic method | 0.13 | 0.07 | 0.17 | 0.10 | 0.11 | 0.27 |
| Initial dose of metformin | -0.11 | 0.11 | 0.01 | 0.94 | -0.03 | 0.75 |
| Metformin dose at 1 year | -0.07 | 0.32 | 0.08 | 0.36 | -0.01 | 0.86 |
GFR: glomerular filtration rate.
Sex (man = 1, woman = 2), therapeutic method (diet = 1, oral hypoglycemic agents = 2, insulin = 3), hypertension (absent = 0, present = 1) and hyperlipidaemia (absent = 0, present = 1) were replaced with a number.