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Table 3 Intention-to-treat analysis for pressure-pain-threshold in neck and shoulder muscles

From: Self-administered physical exercise training as treatment of neck and shoulder pain among military helicopter pilots and crew: a randomized controlled trial

  ETG (n = 35) REF (n = 34) (95% Conf. Interval) p-value
Trapezius m. (right)
Pre-intervention (kPa) 424 ± 187 416 ± 177 8 (-79 – 96) 0.851
Post-intervention (kPa) 409 ± 183 342 ± 143 67 (-12 – 146) 0.094
Change (kPa) -15 ± 126 - 74 ± 137† 59 (-4 – 122) 0.067
Trapezius m. (left)
Pre-intervention (kPa) 434 ± 188 405 ± 163 28 (-56 – 113) 0.507
Post-intervention (kPa) 381 ± 169 332 ± 154 49 (-29 – 127) 0.211
Change (kPa) -53 ± 113† -74 ± 119† 21 (-35 – 77) 0.456
Upper neck extensors (right)
Pre-intervention (kPa) 345 ± 157 334 ± 147 11 (-62 – 84) 0.759
Post-intervention (kPa) 347 ± 152 295 ± 116 53 (-12 – 118) 0.110
Change (kPa) 2 ± 118 -39 ± 97† 41 (-11 – 93) 0.117
Upper neck extensors (left)
Pre-intervention (kPa) 371 ± 170 335 ± 163 36 (-44– 116) 0.377
Post-intervention (kPa) 348 ± 146 292 ± 121 56 (-8 – 121) 0.086
Change (kPa) -23 ± 110 -44 ± 104† 21 (-31 – 72) 0.424
Reference point
Pre-intervention (kPa) 643 ± 218 622 ± 231 21 (-87 – 129) 0.700
Post-intervention (kPa) 587 ± 209 553 ± 224 34 (-70 – 139) 0.513
Change (kPa) -56 ± 125† - 69 ± 209 13 (-69 – 96) 0.746
  1. Values are presented as mean ± SD. Significant within-group-change is denoted by †. Exercise-training-group (ETG), Reference-group (REF)