Symbolic working memory—correct trials and average total time to completion

non-MCI (n = 33) MCI (n = 24) significance
4-span correct trials (range 0–3) 2.82 (0.39) 2.58 (0.65) ns
4-span average total time (secs.) 5.80 (2.03) 8.44 (3.74 P < 0.001
5-span correct trials (range 0–3) 2.21 (0.74) 1.46 (1.21) P < 0.005
5-span average total time (secs.) 8.72 (3.71) 10.81 (4.91) ns
6-span correct trials (range 0–3) 0.64 (0.74 0.33 (0.48) ns
6-span average total time (secs.) 11.41 (5.25) 11.62 (4.63) ns

ns: not significant