Table 2.

Serial order recall: means and standard deviations

	non-MCI (n = 33)	aMCI (n = 15)	mixed/dys MCI (n = 18)	Significance
any order recall	94.37 (5.82)	92.00 (4.73)	89.68 (9.20)	ns
serial order recall	81.81 (17.28)	77.52 (10.46)	62.85 (19.32)	mixed/dys MCI< non-MCI; p < 0.001
				mixed/dys MCI< aMCI; p < 0.043
correct responses (0 – 35)	29.03 (4.99)	26.13 (4.94)	22.22 (6.60)	mixed/dys MCI < non-MCI; p < 0.001
backward serial position 1 (primacy)	97.83 (6.30)	99.04 (3.68)	95.23 (8.48)	ns
backward serial position 2	91.34 (13.33)	93.33 (10.61)	84.12 (13.76)	ns
backward serial position 3	79.22 (19.26)	70.47 (21.91)	56.34 (27.92)	mixed/dys MCI < non-MCI; p < 0.003
backward serial position 4	67.27 (22.32)	55.23 (20.81)	40.47 (33.68)	mixed/dys MCI < non-MCI; p < 0.002
backward serial position 5 (recency)	83.11 (19.70)	69.52 (16.96)	38.09 (37.31)	mixed/dys MCI < non-MCI; p < 0.001 mixed/dys MCI < aMCI; p < 0.002

aMCI, amnestic mild cognitive impairment; mixed/dys MCI, multi-domain/dysexecutive mild cognitive impairment; ns, not significant.