moderately significantP = 0.0165
Similar observations were noticed in a study by Luo et al ., a meta-analysis with fifteen observational studies involving 17,664 subjects, showed that low serum Vitamin D levels are associated with an increased risk of DR among T2DM patients.[ 30 ] The duration of T2DM was moderately significant and negatively correlated with Vitamin D levels ( r = −0.32; P = 0.0165) among the diabetic patients.