- There is a correlation between overweight and obesity with complication of heart p = 0.028, OR = 1.48 (95% CI OR = 1.04 to 2.12), complication of Kidney p < 0.001, OR = 2.82 (95% CI OR = 1941 to 4.09), the changes in hypertensive retinopathy grade 2 p = 0.016, OR = 1: 57 (95% CI OR: 1, 08 - 2, 27).