5A 116 CHAPTER 5A category ‘Low increase’ (p<0.001) and (ii) the week-to-week ACWR difference category ‘Low increase’ between week three and two before an injury (p=0.013) (Table 6). Table 6. Binary logistic regression on difference categories of the Acute:Chronic Workload Ratio before the injury. Difference categories (reference difference category Low decrease) p-value Week -3-4 Week -2-3 Week -1-2 Fortnightly: Week -12-34 High decrease 0.992 0.987 0.451 0.988 Moderate decrease 0.791 0.682 0.897 0.257 Low increase 0.125 0.013* 0.877 0.001* Moderate increase 0.791 0.494 0.897 0.174 High increase 0.990 0.991 0.989 0.991 *Significant difference (p < 0.05) between the periods preceding an injury and the periods not preceding an injury. Figure 2. Distribution of the difference categories of the fortnightly ACWR, comparing the period before the injury with the remaining weeks without resulting in an injury.
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