ALB and osteoporosis: Table 3 presents a higher BMD level in Q3 compared with Q4 group at lumbar spine in total CKD population after adjusting for covariates including age, gender, race, BMI group, smoking, steroids use, calcium intake, phosphorus, albumin, estrogen, anti-osteoporosis drugs, and physical activity intake in a linear regression model (P < 0.05).