Table 1.
Demographic data and levels of errors and times measured in subtests of the HGT.
| MCI | HC | Age-matched controls (older than 52 years) | |||||
|---|---|---|---|---|---|---|---|
| Number of patients | 33 | 91 | 27 | ||||
| Gender | 26 F / 7 M | 66 F / 25 M | 19 F / 8 M | ||||
| Age (years) | 66.1 ± 6.9 | 67 (59 – 71) | 41.6 ± 16.8 | 39 (26 – 54) | 63.3 ± 8.32 | 65 (55 – 69) | |
| Mean ± SD | Median (25th -75th percentile) | Mean ± SD | Median (25th -75th percentile) | Mean ± SD | Median (25th -75th percentile) | ||
| Ego 1st attempt | Error (cm) | 67.96 ± 52.42 | 54.9(30.55 – 81.8) | 29.38 ± 25.29 | 21.1 (12.8 – 42.3) | 31.02 ± 32.01 | 21.6 (12.8 – 47.4) |
| Time (s) | 9.23 ± 5.78 | 10.86 (7.63 – 16.47) | 10.59 ± 5.77 | 8.91 (6.8 – 14.11) | 9.6 ± 4.97 | 7.81 (6.5 – 14.11) | |
| Ego average of last 4 attempts | Error (cm) | 44.76 ± 35.04 | 36.2 (21.6 – 52.7) | 22.14 ± 16.54 | 17.7 (13.2 – 26.2) | 23.83 ± 11.66 | 19 (15.9 – 31.4) |
| Time (s) | 8.13 ± 3.38 | 7.42 (5.23 – 9.88) | 8.92 ± 5.25 | 7.12 (5.74 – 9.58) | 10.07 ± 5.87 | 7.83 (6.63 – 11.74) | |
| Ego average of all 8 attempts | Error (cm) | 48.41 ± 28.67 | 43.4 (25.25 – 63.9) | 23.1 ± 13.69 | 20.6 (15.5 – 25.7) | 25.28 ± 11.47 | 21.5 (18.1 – 29) |
| Time (s) | 9.21 ± 3.3 | 8.18 (6.66 – 12.08) | 9.13 ± 4.19 | 8.03 (6.15 – 11.18) | 9.69 ± 4.36 | 8.03 (6.61 – 11.88) | |
| Allo 1st attempt | Error (cm) | 54.69 ± 52.89 | 29.6 (16.85 – 100) | 26.84 ± 30.56 | 18.4 (10.4 – 31.8) | 42.97 ± 47.46 | 24.7 (14.6 – 38.6) |
| Time (s) | 10.71 ± 6.73 | 8.4 (6.91 – 12.53) | 11.93 ± 10.15 | 8.6 (5.9 – 14.4) | 14.59 ± 12.36 | 8.71 (6.31 – 21.22) | |
| Allo average of last 4 attempts | Error (cm) | 44.65 ± 37.01 | 28.7 (19.45 – 49.55) | 22.87 ± 15.45 | 20.4 (12.3– 27.1) | 26.66 ± 16.78 | 21.5 (14.7 – 34.3) |
| Time (s) | 11.25 ± 5.69 | 9.34 (7.13 – 14.81) | 11.45 ± 5.82 | 10.56 (7.61 – 13.31) | 13.14 ± 7.58 | 11.76 (10.11 – 13.83) | |
| Allo average of all 8 attempts | Error (cm) | 46.39 ± 32.19 | 35.4 (24.5 – 52.95) | 26.14 ± 16.76 | 21.8 (16 – 33) | 30.86 ± 17.03 | 23.8 (18 – 41.8) |
| Time (s) | 12.01 ± 5.27 | 10.59 (7.92– 16.29) | 11.69 ± 5.49 | 10.29 (8.24 – 13.55) | 13.28 ± 6.77 | 11.51 (8.61 – 16.36) | |
| Combined Allo-Ego 1st attempt | Error (cm) | 61.14 ± 39.07 | 47.1 (29.3 – 91.55) | 30.57 ± 23.98 | 24.9 (15.9 – 40.70) | 30.33 ± 18.17 | 30.2 (14.6 – 44.4) |
| Time (s) | 13.22 ± 14.77 | 10.01 (7.74 – 13.88) | 12.52 ± 8.47 | 10.11 (7.6 – 15.41) | 12.02 ± 8.52 | 9.91 (7.4 – 14.3) | |
| Combined Allo-Ego average of last 4 attempts | Error (cm) | 44.35 ± 28.98 | 35.7 (22.95 – 57.3) | 24.12 ± 15.68 | 20.4 (15.5 – 27.8) | 24.4 ± 8.57 | 23.4 (17.7 – 30.1) |
| Time (s) | 10.85 ± 5.59 | 9.21 (7.36 – 12.89) | 10.51 ± 5.94 | 8.56 (6.83 – 12.46) | 10.07 ± 5.87 | 7.83 (6.63 – 11.74) | |
| Combined Allo-Ego average of all 8 attempts | Error (cm) | 48.61 ± 29.16 | 41 (25.8 – 62.45) | 25.91 ± 11.74 | 22.6 (18.3 – 28.9) | 26.19 ± 8.62 | 24.8 (19 – 31.1) |
| Time (s) | 11.69 ± 5.41 | 10.97 (7.81 – 13.25) | 10.98 ± 4.91 | 9.72 (7.5 – 12.99) | 9.69 ± 4.36 | 8.03 (6.61 – 11.88) | |
| Ego average of first 4 attempts | Error (cm) | 51.71 ± 28.85 | 41 (27.3 – 70.1) | 24.08 ± 13.57 | 21.4 (16.1 – 28.7) | 26.71 ± 13.16 | 24.2 (20 – 31.6) |
| Allo average of first 4 attempts | Error (cm) | 48.14 ± 31.16 | 35.6 (27.85 – 60.4) | 29.44 ± 24.64 | 22.9 (14.4 – 35.7) | 35.09 ± 22.66 | 27.9 (21.4 – 45.8) |
| Combined Allo-Ego average of first 4 attempts | Error (cm) | 53.17 ± 33.18 | 45.7 (26.65 – 79.25) | 27.67 ± 13.12 | 24.6 (19.1 – 31.7) | 28 ± 13.31 | 23.6 (18.1 – 32.4) |
| MMSE | 26.5 ± 2.40 | 27 (26 - 28) | 29.99 ± 0.105 | 30 (30 - 30) | 29.96 ± 0.19 | 30 (30 - 30) | |
| MoCA | 24.4 ± 4.36 | 24 (21 - 29) | 29.98 ± 0.147 | 30 (30 - 30) | 29.93 ± 0.27 | 30 (30 - 30) | |
MMSE, mini mental state examination; MoCA, Montreal cognitive assessment.