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Table 1 Performance on neuropsychological tests and prospective memory task

From: Deficits in retrospective and prospective components underlying prospective memory tasks in amnestic mild cognitive impairment

  NC ( N=22) MCI (N=19) Cohen’s d (95%CI)
Age 70.52(5.76) 73.42(6.93) 0.52(−0.11 to 1.14)
Gender (%female) 13/22 9/19 ——
Education 13.59(2.77) 11.95(3.36) −0.53(−1.15 to 0.10)
MMSE 27.67(2.01) 26.82(2.04) −0.41(−1.03 to 0.21)
ADL 14.43(0.98) 15.31(1.92) 0.58(−0.05 to 1.21)
Memory    
Directed Memory 16.65(2.41) 10.77(3.15) −2.08(−2.84 to −1.32)***
RCPTC 9.77(3.82) 2.00(2.72) −2.27(−3.06 to −1.48)***
Story recall 8.40(2.02) 4.65(1.46) −2.06(−2.82 to −1.30)***
Executive function    
Trail Making B 86.10(39.81) 89.07(41.20) 0.07(−0.54 to 0.69)
Digit-Span Backward 4.52(1.83) 4.38(1.10) −0.09(−0.7 to 0.52)
Stroop 34.61(9.66) 48.24(18.33) 0.93(0.29 to 1.58)*
Prospective memory    
Summary score (maximum=12 ) 9.00(1.35) 6.95(2.07) −1.17(−1.83 to −0.50)**
PM component score (maximum= 6) 4.14(1.13) 2.42(1.47) −1.30(−1.97 to −0.62) **
RM component score (maximum= 6) 4.86(0.89) 4.53(1.31) −0.29(−0.91 to 0.32)
Event-based score (maximum= 4) 3.23(0.69) 2.63(0.83) −0.79(0.32 to −1.41)*
Time-based (maximum= 4) 2.77(0.75) 2.05(0.97) −0.84(0.33 to −1.46)*
Activity-based (maximum= 4) 3.00(0.76) 2.26(0.81) −0.94(0.33 to −1.57)**
Total errors 2.55(1.01) 4.32(1.20) 1.58(0.87 to 2.28) ***
PM error 1.55(1.06) 2.58(1.35) 0.84(0.20 to 1.48) *
RM error 1.00(0.76) 1.58(1.64) 0.46(−0.17 to 1.08)
Ongoing task    
Mathematic problems (maximum=20) 10.50(3.85) 7.21(4.17) −0.81(−1.44 to −0.17)*
PAL 10.32(4.07) 5.11(3.25) −1.38(−2.06 to −0.69)***
Writing Fluency 45.68(9.14) 36.47(7.98) −1.07(0.33 to −0.70)**
  1. Note. * p < .05, ** p < .01, *** p < .001.