ALB and Hyponatremia: Previous research has examined hyponatraemia in a psychiatric population, hyponatraemia and hypokalaemia in a Japanese cohort, albumin in a postoperative population, and creatinine, sodium and the ratio of blood urea nitrogen (BUN) to creatinine.18 23–25 In addition, one study examined bivariate associations between approximately 30 laboratory values and falling.17 However, all of the aforementioned non-anaemia laboratory work was limited in sample size, with approximately 100 fallers.