| 25-OH vitamin D |  | ||
---|---|---|---|---|
<20 ng/mL | ≥20 ng/mL | p value | ||
Microvascular complications | Present | 101 | 71 | <0.001 |
Absent | 152 | 231 | χ2 = 17.3 | |
 Nephropathy | Present | 53 | 31 | <0.001 |
Absent | 196 | 270 | χ2 = 12.7 | |
 Retinopathy | Present | 40 | 33 | 0.929 |
Absent | 129 | 109 | χ2 = 0.1 | |
 Neuropathy | Present | 49 | 40 | 0.873 |
Absent | 120 | 102 | χ2 = 0.1 |