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The time of crossing the ring for the first time and its frequency (mean ± SD).
| Group | Time of crossing the ring for the first time (sec) | Frequency of crossing the ring (times) |
|---|---|---|
| Normal control | 16.32±9.32 | 4.8±1.3 |
| AD control | 27.32±12.43 | 1.5±0.4 |
| Stem cell treatment | 22.38±11.54a | 4.9±0.9a |
P<0.05, compared with the AD control group. AD, Alzheimer's disease.
