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| Copers | Adapters | Non‐copers | Mean | |
|---|---|---|---|---|
| Days to be within ±1SD of control mean (1.3 m) | Already within | 51 | 72 | 63 |
| Days to reach control mean | Does not reach | 128 | 105 | 168 |
| Mean maximal distance at 5 months (m) | 1.22 | 1.41 | 1.61 | 1.4 |
