| Model 1 | Model 2 | Model 3 | ||||||
---|---|---|---|---|---|---|---|---|---|
 | (R 2  = 0.28) | (R 2  = 0.20) | (R 2  = 0.28) | ||||||
Variables | OR | 95Â % CI | P | OR | 95Â % CI | P | OR | 95Â % CI | P |
Age, per year | 1.03 | 0.99–1.07 | 0.132 | 1.03 | 0.99–1.06 | 0.188 | 1.03 | 0.99–1.07 | 0.136 |
Obesity (0 = no, 1 = yes) | 1.92 | 0.64–5.78 | 0.243 | 1.95 | 0.69–5.55 | 0.210 | 1.94 | 0.64–5.81 | 0.242 |
Duration of diabetes, per 5years | 1.44 | 1.01–2.07 | 0.047 | 1.28 | 0.92–1.77 | 0.145 | 1.44 | 1.01–2.07 | 0.047 |
Hypertension (0 = no, 1 = yes) | 2.32 | 0.77–6.99 | 0.134 | 2.09 | 0.79–5.83 | 0.160 | 2.32 | 0.77–6.98 | 0.136 |
Albuminuria at baseline (0 = no, 1 = yes) | 2.63 | 1.03–6.73 | 0.043 | 2.86 | 1.16–7.07 | 0.023 | 2.64 | 1.03–6.74 | 0.043 |
Statin use (0 = no, 1 = yes) | 1.89 | 0.74–4.88 | 0.186 | 1.49 | 0.59–3.75 | 0.403 | 1.91 | 0.73–5.01 | 0.188 |
CKD stage at baseline | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 Stage1 | Reference | Reference | Reference | ||||||
 Stage2 | 0.55 | 0.16–1.86 | 0.338 | 0.71 | 0.23–2.24 | 0.559 | 0.55 | 0.16–1.86 | 0.337 |
 Stage3 and 4 | 0.09 | 0.01–1.30 | 0.078 | 0.12 | 0.01–1.54 | 0.103 | 0.09 | 0.01–1.31 | 0.078 |
mean GA (%)* | 2.02 | 1.28–3.17 | 0.002 |  |  |  | 2.03 | 1.27–3.26 | 0.003 |
mean HbA1c (%)* |  |  |  | 1.21 | 0.79–1.85 | 0.390 | 0.98 | 0.62–1.54 | 0.918 |