Table 1.
Summary table of clinical test results. W is the Wilcoxon two-sample rank sum statistic1 (Wilcoxon, 1945) and is the sum of the ranks for the control group with the minimum (sum of 1 to 9, i.e., 45) subtracted. p is the two-sided p-value associated with W.
| Control | Training | |||||
|---|---|---|---|---|---|---|
| Mean (SD) | Median | Mean (SD) | Median | W | p | |
| Age (year) | 65.4 (7.6) | 68 | 65.6 (8.2) | 64 | 37 | 0.790 |
| Distance visual acuity (logMAR) | −0.11 (0.11) | −0.12 | −0.17 (0.06) | −0.20 | 56.5 | 0.169 |
| Near visual acuity (logMAR) | 0.00 (0.10) | −0.02 | −0.01 (0.09) | 0.00 | 39.5 | 0.965 |
| Log contrast sensitivity | 1.90 (0.07) | 1.88 | 1.93 (0.07) | 1.95 | 30 | 0.347 |
| MNREAD–regular polarity | ||||||
| Reading acuity (logMAR) | −0.06 (0.11) | −0.11 | −0.14 (0.13) | −0.14 | 54 | 0.251 |
| Critical print size (logMAR) | 0.18 (0.17) | 0.15 | 0.13 (0.15) | 0.12 | 45 | 0.730 |
| Maximum reading speed (wpm) | 177.07 (20.11) | 177.84 | 194.04 (25.38) | 196.52 | 26 | 0.222 |
| MNREAD–reversed polarity | ||||||
| Reading acuity (logMAR) | −0.05 (0.15) | −0.02 | −0.13 (0.12) | −0.16 | 52 | 0.331 |
| Critical print size (logMAR) | 0.18 (0.13) | 0.17 | 0.08 (0.14) | 0.03 | 60 | 0.094 |
| Maximum reading speed (wpm) | 170.26 (19.34) | 171.00 | 186.58 (24.40) | 188.97 | 26 | 0.222 |