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Table 4 Differences in secondary outcome measures

From: Preliminary results, methodological considerations and recruitment difficulties of a randomised clinical trial comparing two treatment regimens for patients with headache and neck pain

Variable Treatment Group Follow-up week 7 Follow-up week 12 Follow-up week 26
VASHA3M (mm)
Mean ± SD
UC / 45.14 ± 25.71 38.43 ± 27.60
  UCMT / 44.12 ± 24.15* 37.11 ± 26.52*
  Mean Diff / 0.92 1.32
  CI / -25.92; 27.76 -28.27; 30.91
VASHA4W (mm)
Mean ± SD
UC 40.78 ± 29.32* 36.78 ± 23.59* 32.11 ± 28.20*
  UCMT 40.73 ± 27.87* 28.00 ± 22.89* 33.18 ± 29.31*
  Mean Diff 0.05 8.78 -1.07
  CI -26.88: 26.98 -13.14; 30.69 -28.29; 26.15
VASHANOW (mm)
Mean ± SD
UC 31.91 ± 29.37 34.09 ± 28.19 13.55 ± 24.23
  UCMT 15.33 ± 24.33 15.25 ± 27.76 19.92 ± 29.09
  Mean Diff 16.57 18.84 -6.37
  CI -6.73; 39.88 -5.44; 43.12 -29.71; 16.97
VASNP3M (mm)
Mean ± SD
UC / 24.29 ± 21.37* 24.43 ± 20.70*
  UCMT / 28.67 ± 18.26 16.11 ± 18.56
  Mean Diff / -4.38 8.32
  CI / -25.63; 16.87 -12.77; 29.40
VASNPNOW (mm)
Mean ± SD
UC 23.00 ± 29.18* 16.86 ± 22.39* 14.71 ± 20.23*
  UCMT 15.44 ± 22.02 18.56 ± 27.97 8.44 ± 15.36
  Mean Diff 7.66 -1.70 6.27
  CI -19.83; 34.94 29.51; 26.11 -12.77; 25.31
50% Reduction HA Frequency. Number achieved/not achieved UC 12/5 11/6 12/1
  UCMT 12/2 11/3 12/2
  Diff Prop 15% 14% 6%
Absenteeism (number absent/not absent) UC 1/15 1/14 2/9
  UCMT 0/13 1/12 2/11
  Diff Prop 6% 1% 3%
  1. VASHA3M: Average Headache Intensity of the last three months, VASHA4W Average Headache Intensity of the last four weeks, VASHANOW: Headache Intensity at the moment of testing
  2. VASNP3M Average Neck Pain Intensity of the last three months, VASNPNOW Neck Pain Intensity at the moment of testing; Diff: difference between groups; Prop: proportion
  3. HA: Headache. VAS: 100 mm Visual Analogue Scale (0 mm: no pain; 100 mm: unbearable pain)
  4. *: significant within group difference compared to value at baseline (repeated measures ANOVA, sign. level: p < .05)
  5. UC: Usual Care; UCMT: Usual Care plus Manual Therapy; Diff
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