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Variable
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1–2 weeks post injury
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1-month post injury
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4 months post-injury
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|---|
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Headache Variables
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HA-Intensity (0–10 scale)**
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No-PPTH
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4.2 ± 0.5
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2.2 ± 0.5
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0.0 ± 0.0
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PPTH
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7.0 ± 0.5
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6.1 ± 0.5
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6.3 ± 0.4
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Measures of Pain Modulatory Function
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TS Hand
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No-PPTH
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15.6 ± 3.4
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15.8 ± 3.8
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12.4 ± 4.1
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PPTH
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10.0 ± 3.4
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13.8 ± 3.8
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13.3 ± 4.1
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TS Forehead
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No-PPTH
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16.1 ± 3.8
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18.5 ± 3.6
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16.6 ± 4.3
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PPTH
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14.7 ± 3.8
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15.5 ± 3.6
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17.7 ± 4.3
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PPT-Head
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No-PPTH
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236.2 ± 26.1
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246.4 ± 25.5
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242.1 ± 23.8
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PPTH
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199.7 ± 25.4
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232.3 ± 24.8
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226.2 ± 23.1
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CPM Score, %*
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No-PPTH
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33.6 ± 6.8
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28.2 ± 4.4
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26.7 ± 6.5
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PPTH
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5.6 ± 6.8
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11.1 ± 4.4
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18.9 ± 6.5
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Psychological Variables
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Pain Catastrophizing Scale Score*
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No-PPTH
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15.3 ± 2.3
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9.9 ± 2.4
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7.0 ± 2.3
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PPTH
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24.6 ± 2.3
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20.1 ± 2.4
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17.7 ± 2.3
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CES-Depression scores*
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No-PPTH
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19.0 ± 2.7
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11.7 ± 2.0
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9.5 ± 2.4
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PPTH
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24.1 ± 2.7
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18.9 ± 2.0
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19.2 ± 2.4
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- **significant Time by Group interaction, *significant Group main effect; SE Standard error, PPTH persistent posttraumatic headache, HA headache, TS temporal summation, PPT Pressure pain threshold, PCS Pain Catastrophizing Scale, CPM conditioned pain modulation
