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Table 2 Outcome variables taken just before treatment or break during visit 2 and during final visit, with changes between visits and group differences

From: Effect of chiropractic manipulative therapy on reaction time in special operations forces military personnel: a randomized controlled trial

  CMT Wait-list control Change from visit 2 to final visit Between group differences (95% CI) P value
Visit 2 Final visit Visit 2 Final visit CMT Control
Hand simple reaction time (ms)* 258.7 (48.6) 252.6 (33.7) 254.7 (46.4) 252.3 (49.3) −4.88 (42.57) −1.68 (53.56) −3.49 (−25.75 to 18.77) 0.76
Foot simple reaction time (ms)* 291.9 (41.8) 300.6 (32.1) 300.6 (41.8) 307.0 (49.3) 8.65 (39.98) 7.88 (42.83) 0.97 (− 18.04 to 19.98) 0.92
Choice reaction time (ms)** 426.1 (56.2) 421.7 (55.7) 445.9 (72.9) 436.4 (67.9) −6.42 (44.06) −9.51 (53.29) 3.49 (−14.40 to 21.39) 0.70
Fitts’ Law test response time (s)** 65.9 (0.40) 66.3 (0.72) 67.1 (0.66) 66.6 (0.32) 0.412 (3.710) −0.548 (3.731) 0.988 (−0.373 to 2.349) 0.15
t-wall® response time (s)** 49.1 (4.7) 47.2 (4.2) 50.1 (4.2) 48.5 (4.4) −2.00 (2.40) −1.59 (2.10) −0.41 (−1.24 to 0.41) 0.32
  1. Values are shown as mean (standard deviation) based on analysis of covariance (ANCOVA) model, adjusted for age
  2. CI confidence interval, CMT chiropractic manipulative therapy
  3. *n = 37 in CMT and n = 40 in wait-list control
  4. **n = 57 in CMT and n = 60 in wait-list control