Fig. 1

Relationship between the 1-min animal test and Revised Hasegawa Dementia Scale scores. n = 31, the number of patients with the 1-min animal test score < 14 and Revised Hasegawa’s dementia scale score < 21. n = 0, the number of patients with the 1-min animal test score ≥ 14 and Revised Hasegawa’s dementia scale score < 21. n = 45, the number of patients with the 1-min animal test score < 14 and Revised Hasegawa’s dementia scale score ≥ 21. n = 46, the number of patients with the 1-min animal test score ≥ 14 and Revised Hasegawa’s dementia scale score ≥ 21. r = 0.70 (Spearman’s rank correlation), p < 0.01