Of these, 9/27 (33.3%) had presented on another occasion with a fall, compared to 4/52 (7.7%) insulin-treated patients without a documented episode of hypoglycaemia, p = 0.008; and a higher proportion had presented with unsteadiness (5/27, 18.5% vs 2/52, 3.9%), p = 0.043. This evidence concerns the gene INS and Hypoglycemia.