Table 3.
Statistical properties for age, education, gender, LM I Total, LM II Total, and LM Recognition for each normative group
| Age groups | Statistics |
||||
|---|---|---|---|---|---|
| Mean | SD | Median | 5th %ile | 95th %ile | |
| Age group 50–59 (N=61) | |||||
| Education 9–12 years (N=26) | |||||
| Age | 56.81 | 2.26 | 58.00 | 51.35 | 59.00 |
| Education | 11.19 | 1.30 | 12.00 | 9.00 | 12.00 |
| Gender (F/M) | 17/9 | ||||
| LM I Total | 20.04 | 6.91 | 20.00 | 4.70 | 31.95 |
| LM II Total | 15.35 | 8.39 | 14.50 | 0.35 | 30.60 |
| LM Recognition | 22.04 | 3.76 | 22.00 | 14.70 | 28.30 |
| Education≥13 years (N=35) | |||||
| Age | 55.97 | 2.95 | 57.00 | 50.00 | 59.00 |
| Education | 16.51 | 1.38 | 16.00 | 14.00 | 20.00 |
| Gender (F/M) | 18/17 | ||||
| LM I Total | 27.86 | 8.89 | 27.00 | 10.60 | 44.40 |
| LM II Total | 23.20 | 9.36 | 22.00 | 9.20 | 42.20 |
| LM Recognition | 24.40 | 3.02 | 25.00 | 19.00 | 29.00 |
| Age group 60–74 (N=215) | |||||
| Education 0–8 years (N=53) | |||||
| Age | 68.89 | 4.00 | 69.00 | 61.00 | 74.00 |
| Education | 5.11 | 2.09 | 6.00 | 0.00 | 7.30 |
| Gender (F/M) | 38/15 | ||||
| LM I Total | 13.04 | 5.94 | 14.00 | 3.70 | 24.30 |
| LM II Total | 8.08 | 5.81 | 9.00 | 0.00 | 18.60 |
| LM Recognition | 17.92 | 4.24 | 18.00 | 11.70 | 26.30 |
| Education 9–12 years (N=95) | |||||
| Age | 67.66 | 4.27 | 68.00 | 60.00 | 74.00 |
| Education | 11.01 | 1.40 | 12.00 | 9.00 | 12.00 |
| Gender (F/M) | 58/37 | ||||
| LM I Total | 16.25 | 7.14 | 16.00 | 4.80 | 29.20 |
| LM II Total | 10.91 | 7.16 | 11.00 | 0.00 | 25.00 |
| LM Recognition | 19.99 | 3.71 | 20.00 | 13.00 | 26.00 |
| Age group 60–74 (N=215) | |||||
| Education≥13 years (N=67) | |||||
| Age | 67.19 | 4.57 | 67.00 | 60.00 | 74.00 |
| Education | 16.27 | 1.51 | 16.00 | 14.00 | 19.20 |
| Gender (F/M) | 20/47 | ||||
| LM I Total | 19.28 | 7.36 | 19.00 | 5.60 | 33.20 |
| LM II Total | 13.91 | 7.68 | 14.00 | 0.00 | 28.40 |
| LM Recognition | 21.52 | 3.74 | 22.00 | 14.00 | 27.00 |
| Age group 75–90 (N=152) | |||||
| Education 0–8 years (N=54) | |||||
| Age | 78.19 | 3.07 | 77.00 | 75.00 | 84.25 |
| Education | 4.94 | 2.23 | 6.00 | 0.00 | 7.25 |
| Gender (F/M) | 43/11 | ||||
| LM I Total | 11.11 | 5.86 | 10.00 | 2.50 | 21.00 |
| LM II Total | 6.44 | 5.21 | 5.00 | 0.00 | 17.00 |
| LM Recognition | 17.46 | 3.51 | 18.00 | 11.75 | 23.25 |
| Education 9–12 years (N=45) | |||||
| Age | 78.73 | 3.34 | 77.00 | 75.00 | 85.70 |
| Education | 11.40 | 1.14 | 12.00 | 9.00 | 12.00 |
| Gender (F/M) | 27/18 | ||||
| LM I Total | 11.62 | 6.93 | 12.00 | 2.30 | 23.70 |
| LM II Total | 6.31 | 6.29 | 5.00 | 0.00 | 19.70 |
| LM Recognition | 17.89 | 3.30 | 17.00 | 12.30 | 25.00 |
| Education ≥13 years (N=53) | |||||
| Age | 79.23 | 3.85 | 78.00 | 75.00 | 88.00 |
| Education | 16.02 | 1.77 | 16.00 | 13.00 | 20.00 |
| Gender (F/M) | 16/37 | ||||
| LM I Total | 17.64 | 7.90 | 19.00 | 4.70 | 29.50 |
| LM II Total | 10.85 | 7.43 | 12.00 | 0.00 | 21.60 |
| LM Recognition | 20.06 | 4.41 | 20.00 | 13.70 | 26.30 |
LM : Logical Memory, SD: standard deviation; %ile: percentile; F: female; M: male